Rates Ratios and Proportions

Solve the proportion:

• 4

• 8

• 14

• 10

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

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

• 15

• 25

• 30

• 10

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

• 4

• 6

• 8

• 10

What is the ratio of 30 minutes to 2 hours in simplest form?

A scale drawing of a park has a scale of 1 inch : 100 feet. If the actual length of the park is 300 feet, how long is it on the drawing?

• 2 inches

• 3 inches

• 4 inches

• 5 inches

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

Kyle entered a pie eating contest.  He took 1/5 of a minute to eat 1/2 of a pie.  How many pies can Kyle eat per minute?

• 2 and 1/2 minutes per pie

• 2/5 of a minute per pie

• 2 and 1/2 pies per minute

• 2/5 of a pie per minute