Quiz about Chapter 7 Review Ratios, Percent and Proportions

Question 1

Solve the proportion.

Accepted Answer

k=5

Answer

k=3.3333333

Answer

k=60

Answer

k=90

Question 2

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

Accepted Answer

c=15

Answer

c=18

Answer

c=21

Answer

c=16

Question 3

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 4

26 is 5% of what number?

Accepted Answer

520

Answer

1.3

Answer

2.5

Answer

25.95

Question 5

What is a Ratio?

Accepted Answer

Is a comparison of two quantities

Answer

To multiply two fractions

Answer

A number over another number

Answer

Two decimals that can be multiplied

Question 6

What is the ratio to the picture shown, triangles to squares?

Accepted Answer

4:3

Answer

2:6

Answer

5:6

Answer

3:4

Question 7

Solve the proportion.

Accepted Answer

1

Answer

3

Answer

6

Answer

5

Question 8

How many ways can you write a ratio

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 9

do the ratios form a proportion?

Accepted Answer

no

Answer

yes

Question 10

do the ratios form a proportion?

Accepted Answer

yes

Answer

no

Question 11

If you have 3 pennies, 4 nickels, and 5 dimes, which represents the ratio of nickels to total coins?

Accepted Answer

4:12

Answer

4:5

Answer

3:12

Answer

5:12

Question 12

Find the unit rate (how many minutes per video):

24 minutes to watch 4 videos

Accepted Answer

6 minutes/video

Answer

4 minutes/video

Answer

4 videos/minute

Answer

8 minutes/video

Question 13

A blueprint was using a scale of 3cm=4.5m. Find the actual length if it is 5cm on the drawing.

Accepted Answer

7.5

Answer

13.5

Answer

1.5

Answer

1.7

Question 14

Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, how far apart are they?

Accepted Answer

192 km

Answer

87 km

Answer

216 km

Answer

33 km

Question 15

Which is the students' least favorite sport?

Accepted Answer

hockey

Answer

basketball

Answer

baseball

Answer

football

Question 16

How are they showing the data of the students' favorite sports?

Accepted Answer

percent

Answer

fraction

Answer

decimal

Question 17

What percentage does the entire circle graph represent?

Accepted Answer

100%

Answer

50%

Answer

25%

Answer

15%

Question 18

Which is the students' favorite sport?

Accepted Answer

football

Answer

basketball

Answer

baseball

Answer

hockey

Question 19

What is 17% as a fraction?

Accepted Answer

$$\frac{17}{100}$$

Answer

$$\frac{1}{7}$$

Answer

$$\frac{7}{100}$$

Answer

$$\frac{8}{50}$$

Question 20

What is 51% as a decimal?

Accepted Answer

0.51

Answer

0.5

Answer

0.1

Answer

5.1

Question 21

What is 0.87 as a percent?

Accepted Answer

87%

Answer

8.7%

Answer

870%

Answer

78%

Question 22

Level 1: What is $$\frac{61}{100}$$ as a percent?

Accepted Answer

61%

Answer

100%

Answer

6.1%

Answer

16%

Question 23

When converting decimals to percents, move the decimal:

Accepted Answer

Two places to the right.

Answer

Two places to the left.

Answer

Two places up.

Answer

Two places down.

Question 24

Write 0.06 as a percent.

Accepted Answer

6%

Answer

60%

Answer

0.6%

Answer

0.06%

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