Math Ratios and Proportions

• x = 16

• x = 28

• x = 1/26

• x = 26

What is a proportion?

• When two ratios can be simplified

• When two ratios are equivalent and show the same value

• When two ratios have the exact same numbers

• When two ratios can be multiplied by 2

The ratio of soccer players to baseball players on two school teams is 4 to 7. Which of the following could be the number of players on each team?

• 12 soccer players and 15 baseball players

• 12 soccer players and 21 baseball players

• 16 soccer players and 19 baseball players

• 16 soccer players and 49 baseball players

Solve for x 

• x = 15

• x = 11

• x = 1/11

• x = 20

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

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour

• $12 per hour

• $192 per hour

• $25 per hour

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes

• 9 minutes

• 16 minutes

• 18 minutes

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

88 students for 4 classes
How many students per class?

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

Write the ratio as a fraction in simplest form.

12 to 15