Quiz about Ratios, Rate, Better Buy, Proportions, Percentages

Question 1

Is a percent a proportion?

Accepted Answer

Yes

Answer

No

Answer

Sometimes

Answer

Never

Answer

I don't know

Question 2

How do you calculate whether 3/4 is in proportion to 6/8?

Accepted Answer

Cross Multiply

Answer

Divide four into 3

Answer

Multiply 6 x 8, and if it equals 4 it is in proportion

Question 3

What is the ratio of red apples to green apples

Accepted Answer

4 red apples to 3 green apples

Answer

7 apples to 3 green

Answer

4 red apples to 7 apples

Answer

3 green apples to 4 red apples

Question 4

Which represents the relationship of oranges to fruit?

Accepted Answer

2:6

Answer

2:4

Answer

4:6

Answer

4:2

Question 5

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

Accepted Answer

$1.50

Answer

$12

Answer

$3

Answer

$1

Question 6

Kelly ate 3 apples. This represents 50% of the bag of apples. How many apples were originally in the bag?

Accepted Answer

6

Answer

3

Answer

4

Answer

5

Question 7

The ratio of boys to girls in Mr. Baker's social studies class is 2 to 3. If there are 30 total students in class, how many more girls are in the class than boys.

Accepted Answer

6

Answer

8

Answer

10

Answer

12

Question 8

Kenton completed 30% of the 90-page reading assignment. How many pages did he read?

Accepted Answer

27

Answer

24

Answer

30

Answer

33

Question 9

The ratio of blue marbles to white marbles in Simon's bag is equal to 1 to 2. If there are 20 blue marbles, how many white marbles are there?

Accepted Answer

40

Answer

20

Answer

30

Answer

50

Question 10

What is 40% of 120?

Accepted Answer

48

Answer

32

Answer

40

Answer

60

Question 11

What is the ratio of sharks to fish?

Accepted Answer

2 to 8

Answer

2 to 10

Answer

8 to 2

Question 12

What is the ratio of fish to sharks?

Accepted Answer

8:2

Answer

10:2

Answer

2:8

Question 13

What is the ratio of circles to triangles?

Accepted Answer

3 to 4

Answer

2 to 4

Answer

1 to 3

Question 14

What is the ratio of red to green shapes?

Accepted Answer

4 to 3

Answer

3 to 1

Answer

4 to 7

Question 15

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Accepted Answer

$8 per pound

Answer

$5 per pound

Answer

$35 per pound

Answer

0.125 pounds per dollar

Question 16

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Accepted Answer

102 words per minute

Answer

100 words per minute

Answer

400 words per minute

Answer

412 words per minute

Question 17

150 grams of fertilizer is required for a land area of 6 square acres.  At this rate, how many grams of fertilizer is needed for 13 square acres?

Accepted Answer

325 grams

Answer

25 grams

Answer

300 grams

Answer

310 grams

Question 18

Four pounds of bananas cost $6.  What is the cost per pound of bananas?

Accepted Answer

$1.50 per pound

Answer

$24 per pound

Answer

$1 per pound

Answer

$6 per pound

Question 19

Which is the better deal?
Oreos
$2.98 for 15 oz
OR
Chips Ahoy
$2.50 for 14 oz

Accepted Answer

Chips Ahoy

Answer

Oreos

Question 20

$$\frac{x}{5}=\frac{8}{10}$$

Accepted Answer

Answer

Answer

Answer

Question 21

$$\frac{4}{5}=\frac{8}{x}$$

Accepted Answer

x = 10

Answer

Answer

x = 4

Answer

x = 5

Question 22

$$\frac{25}{1}=\frac{x}{3}$$

Accepted Answer

Answer

Answer

Answer

Question 23

$$\frac{21}{x}=\frac{6}{8}$$

Accepted Answer

x = 28

Answer

x = 6

Answer

x = 25

Answer

x = 17

Question 24

$$\frac{3}{7}=\frac{33}{x}$$

Accepted Answer

Answer

Answer

Answer

Question 25

What is 12% of 40?

Accepted Answer

4.8

Answer

5

Answer

4

Answer

12

Question 26

75% of what number is 48?

Accepted Answer

64

Answer

48

Answer

100

Answer

75

Question 27

What is 19% of 50?

Accepted Answer

9.5

Answer

10

Answer

15

Answer

11

Question 28

26 is 5% of what number?

Accepted Answer

520

Answer

1.3

Answer

2.5

Answer

25.95

Question 29

Sarah earns $20 a day working after school. She spent 30% of her daily earnings on Monday. How much money did she spend on Monday?

Accepted Answer

$6

Answer

$1.40

Answer

$0.60

Answer

$14

Question 30

200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?

Accepted Answer

120

Answer

800

Answer

180

Answer

80

Question 31

What is 40% of 35?

Accepted Answer

14

Answer

40

Answer

16

Answer

34

Question 32

Write 3/40 as a decimal.

Accepted Answer

0.075

Answer

0.30

Answer

0.40

Answer

7.5

Question 33

True or False?
0.22 = 22%

Accepted Answer

True

Answer

False

Question 34

Write 22% as a fraction.

Accepted Answer

11/50

Answer

22/10

Answer

15/20

Answer

10/100

Question 35

Convert 25% to a decimal.

Accepted Answer

0.25

Answer

0.0025

Answer

0.025

Answer

2.5

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