Quiz on Proportions and Rates

Write the ratio as a fraction in simplest form.

16 to 64

• 16 to 64

• 4 to 16

• 4 to 1

• 1 to 4

Write the ratio as a fraction in simplest form.

81:18

• 9:2

• 27:6

• 2:9

• 81:18

What is the ratio of sneakers to flats?

• 2 to 8

• 4 to 1

• 8 to 10

• 2 to 10

What is the ratio of sandals/flip flops to the total number in class?

• 10 to 6

• 10 to 16

• 3 to 8

• 6 to 10

• A

• B

• C

• D

Tags

TEKS.MATH.6.4B

TEKS.MATH.6.4D

TEKS.MATH.6.5A

What is the ratio of 30 minutes to 2 hours?

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 20 girls?

• 15

• 25

• 10

• 30

A car travels 300 miles on 10 gallons of gas. What is the car's fuel efficiency in miles per gallon?

• 20 miles/gallon

• 30 miles/gallon

• 40 miles/gallon

• 50 miles/gallon

Janet drives from Clarkson to Humbolt in 2 hours. Suppose Janet drives for 10 hours. If she maintains the same driving rate, can she drive more than 600 miles? Justify your answer.

• Yes, she will drive 1,120 miles in 10 hours.

• No, she will drive 560 miles in 10 hours.

• No, she will drive less than 400 miles in 10 hours.

• Yes, she will drive over 600 miles in 10 hours.

A bag contains red and blue marbles in the ratio 3:4. If there are 21 red marbles, how many blue marbles are there?

• 16

• 24

• 28

• 32