Quiz about Chapter 1: Ratios and Rates

Question 1

Look at the factors of 18 and 30. What is the greatest common factor?

factors of 18: 1, 2, 3, 6, 9, 18

factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

Accepted Answer

6

Answer

92

Answer

3

Answer

5

Question 2

Find the GCF of 24 and 54.

Accepted Answer

6

Answer

12

Answer

3

Answer

2

Question 3

Find the LCM of 4 and 12

Accepted Answer

12

Answer

24

Answer

48

Answer

16

Question 4

Express the ratio in simplest form that compares the number of yellow marbles to the total number of marbles.

Accepted Answer

1/5

Answer

3/10

Answer

2/10

Answer

2/5

Question 5

Several students were asked to name the kinds of animals they saw in the past week at the park. Determine the ratio that compares the number of cats seen to the total number of animals seen.

Accepted Answer

1:8

Answer

3:16

Answer

5:16

Answer

1:4

Question 6

Express the ratio of 300 miles to 25 gallons of gasoline as a unit rate.

Accepted Answer

12 miles per gallon

Answer

1.2 miles per gallon

Answer

50 miles per gallon

Answer

32 miles per gallon

Question 7

The #712 school bus traveled 150 miles on 10 gallons of gas. How many miles per gallon does the bus get?

Accepted Answer

15

Answer

1.5

Answer

0.15

Answer

150

Question 8

To make coffee, one small scoop of coffee grounds is added to 2 cups of water. Use the ratio table to find how many cups of water to use for 5 scoops of coffee.

Accepted Answer

10

Answer

4

Answer

6

Answer

8

Question 9

For a school field day, 72 students are divided into 12 teams. If each team has the same number of students, use the ratio table to determine the number of students on 2 teams.

Accepted Answer

12

Answer

6

Answer

10

Answer

18

Question 10

Which ordered pair names point K?

Accepted Answer

(2, 5)

Answer

(5, 2)

Answer

(1, 5)

Answer

(2, 4)

Question 11

Which is the graph of point D(5, 7)?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 12

Determine if the rates are equivalent. Explain your reasoning.

25 hours in 5 days; 8 hours in 2 days

Accepted Answer

Since the rates do not have the same unit rate, they are not equivalent.

Answer

Since the rates have the same unit rate, they are not equivalent.

Answer

Since the rates do not have the same unit rate, they are equivalent.

Answer

Since the rates have the same unit rate, they are equivalent.

Question 13

Determine if each pair of ratios or rates is equivalent. Explain your reasoning.

4 movie tickets for $32; 8 movies for $96

Accepted Answer

The price for each tickets are different for the two ratios, so the ratios are not equivalent.

Answer

The price for each tickets are different for the two ratios, so the ratios are equivalent.

Answer

The price for each tickets are same for the two ratios, so the ratios are equivalent.

Answer

The price for each tickets are same for the two ratios, so the ratios are not equivalent.

Question 14

The ratio of the number of miles walked by Fernando in a week to the number walked by Julia in a week is 4 to 3. Julia walked 15 miles. How many miles did Fernando walk in a week?

Accepted Answer

20 miles

Answer

15 miles

Answer

25 miles

Answer

12 miles

Question 15

Three African elephants can weigh a total of 13,500 pounds. At this rate, how many pounds do 2 African elephants weigh?

Accepted Answer

9,000 pounds

Answer

9,500 pounds

Answer

7,500 pounds

Answer

8,500 pounds

Question 16

Determine if the rates are equivalent. Explain your reasoning.

4 books for $32; 5 books for $40

Accepted Answer

Since the rates have the same unit rate, they are equivalent.

Answer

Since the rates have the same unit rate, they are not equivalent.

Answer

Since the rates do not have the same unit rate, they are equivalent.

Answer

Since the rates do not have the same unit rate, they are not equivalent.

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