Ratio

The class has 12 girls and 16 boys. What is the ratio of total students to boys? (simplest form)

• 28/16

• 7/4

• 16/28

• 12/16

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.

• c=15

• c=18

• c=21

• c=16

The ratio of boys to girls in the 6th grade is 5 to 8. If there are 72 girls, how many boys will there be?

• 45

• 65

• 105

• 9

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

• 35

• 60

• 18

• 50

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Hanna is recovering hundreds of treasure chests from an ancient shipwreck. She is able to recover 8 chests every 4 hours. Complete the table using equivalent ratios. Select all the answers that will fill the table.

• 8

• 5

• 2

• 12

• 6

What is the ratio of triangles to squares?

• 2:6

• 5:6

• 3:4

• 4:3

If the ratio of cats to dogs is 3:4, how many cats are there if there are 20 dogs?

• 15 cats

• 25 cats

• 30 cats

• 10 cats

A car travels 60 miles in 2 hours. What is the ratio of miles to hours?

• 30:1

• 60:2

• 30:2

• 60:1

Answer explanation

To find the ratio of miles to hours, divide the miles traveled by the time taken: 60 miles / 2 hours = 30:1

• 10

• 12

• 14

• 16