Quiz about Pre-Algebra 8th Grade Percents Review

Question 1

Refer to the double number line.
If Kim makes 8 loaves of bread, how many cups of raisins did she use?

Accepted Answer

12

Answer

4

Answer

16

Answer

24

Question 2

97 m

80 m

84 m

105 m

Accepted Answer

105 m

Answer

97 m

Answer

80 m

Answer

84 m

Question 3

Optimus Prime is using a double number line to determine the amount of raisins he will use for a raisin bread recipe.
If he uses 9 cups of raisins, how many loaves will he make?

Accepted Answer

6

Answer

4

Answer

5

Answer

7

Question 4

The ratio of red paint to yellow paint in a mixture is shown in the double number line above. How many teaspoons of yellow paint are in 4 batches?

Accepted Answer

20

Answer

4

Answer

12

Answer

15

Question 5

The ratio of red paint to yellow paint in a mixture is shown in the double number line above. How many teaspoons of yellow paint are in 6 of red paint?

Accepted Answer

10

Answer

5

Answer

15

Answer

7

Question 6

Which numbers come next on the double number line?

Accepted Answer

Sugar: 8

Flour: 12

Answer

Sugar: 12

Flour: 8

Answer

Sugar: 12

Flour: 18

Answer

I have no idea!

Question 7

Complete the ratio tables

Accepted Answer

15, 20, 25

Answer

10, 15, 20

Answer

10, 35, 45

Answer

10, 15, 30

Question 8

According to this chart, which one of the following would be the ratio of work miles to total miles?

Accepted Answer

8/25

Answer

1/50

Answer

1/25

Answer

3/25

Question 9

How long would it take 12 people to go down the slide?

Accepted Answer

2 min

Answer

1 min

Answer

3 min

Answer

undeterminable

Question 10

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

Accepted Answer

12 pack

Answer

8 pack

Question 11

Using TWO number lines to describe equivalent ratios

Accepted Answer

double number lines

Answer

coordinate plane

Answer

ratio table

Answer

equation

Question 12

Comparison of 2 quantities using division

Accepted Answer

ratio

Answer

rate

Answer

unit rate

Answer

unit price

Question 13

Comparing 2 quantities with a denominator of 1

Accepted Answer

unit rate

Answer

unit price

Answer

equivalent ratio

Answer

ratio table

Question 14

Cost per ONE

Accepted Answer

unit price

Answer

unit rate

Answer

percent

Answer

proportion

Question 15

Part-to-whole ratio where 100 is the whole

Accepted Answer

percent

Answer

ratio

Answer

fraction

Answer

unit rate

Question 16

Compares 2 quantities of DIFFERENT units

Accepted Answer

rate

Answer

ratio

Answer

unit rate

Answer

unit price

Question 17

Ratios with the SAME value when simplified

Accepted Answer

equivalent ratios

Answer

unit rates

Answer

proportions

Answer

unit price

Question 18

Display of equivalent ratios in rows and columns

Accepted Answer

ratio table

Answer

proportion

Answer

unit rate

Answer

unit price

Question 19

EQUAL ratios or rates

Accepted Answer

Proportions

Answer

unit rate

Answer

equivalent ratios

Answer

double number line

Question 20

The double number line shows that a water park allows 18 people to go down their giant water slide in 3 minutes. How long would it take 12 people to go down the slide?

Accepted Answer

2 minutes

Answer

1 minute

Answer

3 minutes

Answer

No way to find out.

Question 21

There are 50 cookies and 35 cupcakes leftover at a bake sale. What is the ratio of cookies to cupcakes?

Your answer must be in simplest form.

Accepted Answer

10:7

Answer

7:10

Answer

35:50

Answer

50:35

Question 22

Use the ratio table to determine how many pencils there will be in 8 boxes.

Accepted Answer

96 pencils

Answer

20 pencils

Answer

24 pencils

Answer

48 pencils

Question 23

You spend $40 on 5 pounds of concrete. How much would would it cost for 7 pounds of concrete?

Accepted Answer

$56

Answer

$50

Answer

$35

Answer

$42

Question 24

What would be the ratio of red apples to green apples if there were double the amount of apples?

Accepted Answer

8 red apples to 6 green apples

Answer

6 red apples to 8 green apples

Answer

4 red apples to 3 green apples

Answer

3 green apples to 4 red apples

Question 25

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

Accepted Answer

50

Answer

35

Answer

60

Answer

18

Question 26

If there are 5 boys to 7 girls, how many girls would there be if the number of boys increased to 20?

Accepted Answer

28 girls

Answer

35 girls

Answer

24 girls

Answer

30 girls

Question 27

For 6 people to enter the park, it cost $36. How much would it cost for 9 people?

Accepted Answer

$54.00

Answer

$45.50

Answer

$48.00

Answer

$52.50

Question 28

A recipe that will make 3 pies calls for 7 cups of flour. Determine how many pies can be made with 28 cups of flour.

Accepted Answer

12 pies

Answer

40 pies

Answer

4 pies

Answer

10 pies

Question 29

Daisy sour cream is $1.68 for 8 oz.

Kraft sour cream $2.08 for 16 oz.

Find the unit price of each and choose the better deal.

Accepted Answer

Kraft

Answer

Daisy

Question 30

Are the two ratios equivalent?

3 : 10 and 9 : 20

Accepted Answer

No

Answer

Yes

Question 31

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

Accepted Answer

5 feet

Answer

720 feet

Answer

5 inches

Answer

72 feet

Question 32

You know 16 cups = 1 gallon. Convert 3.5 gallons into cups.

Accepted Answer

56 cups

Answer

0.21875 cups

Answer

19.5 cups

Answer

48 cups

Question 33

Convert 17  inches to centimeters.  (1 in = 2.54 cm)

Accepted Answer

43.15 cm

Answer

204 cm

Answer

6.72 cm

Answer

1.42 cm

Question 34

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

Accepted Answer

$25 per hour

Answer

$50 per hour

Answer

$12 per hour

Answer

$192 per hour

Question 35

7 students were on their chromebook. 4 were doing their work and 3 were playing games. What is the ratio of students doing their work to students playing games?

Accepted Answer

4:3

Answer

2:6

Answer

5:6

Answer

3:4

Question 36

In as Algebra 1 class there are 21 students in total. 18 of them did their homework. What is the ratio of students that did their homework to those that did not? Simplify your answer.

Accepted Answer

6/1

Answer

3/18

Answer

18/3

Answer

1/6

Question 37

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80? (Hint: find the unit rate of both)

Accepted Answer

The 12 pack of Coke

Answer

The 6 pack of Coke

Answer

Neither

Answer

They are the same

Question 38

If Justin can type 408 words in 4 minutes, what is the unit rate of words to minutes?

Accepted Answer

102 words/1 minute

Answer

100 words/ 1 minute

Answer

400 words/ 1 minute

Answer

412 words/1 minute

Question 39

Which of the following is the correct set-up to convert 2 qt/min to gal/sec?

Accepted Answer

$$\frac{2\ qt}{1\ \min}\ imes\frac{1\ gal}{4\ qt} imes\frac{1\ \min}{60\ \sec}$$

Answer

$$\frac{2\ qt}{1\ \min}\ imes\frac{4\ qt}{1\ gal} imes\frac{60\ \sec}{1\ \min}$$

Answer

$$\frac{2\ qt}{1\ \min}\ imes\frac{1\ gal}{4\ qt}$$

Answer

$$\frac{2\ qt}{1\ \min}\ imes\frac{1\ gal}{4\ qt} imes\frac{60\ \sec}{1\ \min}$$

Question 40

Convert 60 ft/s to mi/h. (5280 ft = 1 mi and 3600 sec = 1hr)

Accepted Answer

40.9 mi/h

Answer

60 mi/h

Answer

68 mi/h

Answer

9.7 mi/h

Question 41

Which conversion factor will allow you to convert 2.2 kg to lbs? $$1\ kg\ \approx2.205\ lbs$$

Accepted Answer

$$\frac{2.205\ lbs}{1\ kg}$$

Answer

$$\frac{2.2\ kg}{2.205\ lbs}$$

Answer

$$\frac{1\ lb}{2.2\ kg}$$

Answer

$$\frac{2.205\ kg}{1\ lb}$$

Question 42

What is the ratio of shaded squares to not shaded squares?

Accepted Answer

10:6

Answer

10:5

Answer

6:10

Answer

10:18

Question 43

What is 10% of $250

Accepted Answer

$25

Answer

$2.50

Answer

$250

Answer

$2500

Question 44

How much you can save?

Accepted Answer

$100

Answer

$25

Answer

$50

Answer

$125

Question 45

Eliza bought a meal that cost $ 12.00. She tipped the waiter 25% of that amount. How much was the tip?

Accepted Answer

$3.00

Answer

$ 15.00

Answer

$ 12.25

Answer

$4.00

Question 46

My class size has increased by 35% this year. I had 20 students last year, how many do I have now?

Accepted Answer

27

Answer

23

Answer

25

Answer

29

Question 47

Question 47.

Accepted Answer

2400

Answer

1760

Answer

240

Answer

17600

Question 48

Question 48.

Accepted Answer

63

Answer

630

Answer

483

Answer

48.3

Question 49

Question 49.

Accepted Answer

57.2 miles

Answer

22.8 miles

Answer

17.2 miles

Answer

83 miles

Question 50

Question 50.

Accepted Answer

16920

Answer

19080

Answer

17400

Answer

1080

Question 51

34% of what number is 51?

Accepted Answer

150

Answer

69

Answer

71

Answer

196

Question 52

8 is what percent of 20?

Accepted Answer

40%

Answer

20%

Answer

250%

Answer

4%

Question 53

30 is what percent of 40?

Accepted Answer

75%

Answer

50%

Answer

25%

Answer

100%

Question 54

What is 20% of 75?

Accepted Answer

15

Answer

60

Answer

6

Answer

1.5

Question 55

On the beach at SPI, there are 20 different places to get food. 25 percent of them are ice cream shops. How many ice cream shops are there?

Accepted Answer

5

Answer

4

Answer

7

Answer

8

Question 56

Sam received $125 for his birthday. He spent $85 at the store. What percent of his birthday money did he spend at the store?

Accepted Answer

68%

Answer

70%

Answer

72%

Answer

65%

Question 57

There are 35 boys out for football. This is about 5% of the total enrollment. How many total kids are in the school?

Accepted Answer

700

Answer

600

Answer

750

Answer

650

Question 58

Sal's bank account balance increased by 75% last month. If he started the month with $2,500, how much does he have now?

Accepted Answer

$4,375

Answer

$3,125

Answer

$5,000

Answer

$4,500

Question 59

In 2000, your favorite candy cost $1.25 a pack. Now it costs $2.00 a pack. What was the relative change in the price over that time?

Accepted Answer

60%

Answer

75%

Answer

50%

Answer

40%

Question 60

Car B costs $31,000. This is 23% more than car A costs. What is the price of car A, to the nearest dollar?

Accepted Answer

$25,203

Answer

$23,870

Answer

$38,130

Answer

$8,000

Question 61

A rat used to take 350 seconds to complete a maze. He has improved his time by 16%, how long does it take him now, to the nearest second? (Remember, this is a percent decrease from 350 sec.)

Accepted Answer

294 sec

Answer

417 sec

Answer

302 sec

Answer

334 sec

Question 62

B = 35. A is 25% more than B. A = ?

Accepted Answer

43.75

Answer

78.75

Answer

160

Answer

28

Question 63

In 2019, you earned $35,000 and paid taxes at a rate of 8%. Your earnings in 2020 increased by 25% and your tax rate increased to 10%. How much did you pay in taxes in 2020?

Accepted Answer

$4,375

Answer

$3,500

Answer

$2,800

Answer

$2,500

Question 64

What percent of 96 is 88?

Accepted Answer

91.7%

Answer

109%

Answer

84.5%

Answer

88%

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