Proportions Review

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8

• 15

• 40

• 29

Two ratios that are equal are

• similar sides

• unit rates

• congruent

• proportional

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Is this table proportional?

• Yes

• No

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

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

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

• 15

• 20

• 25

• 30

A survey in a school found that 60 students own a bicycle. If this represents 30% of all students, how many students are in the school?

• 180

• 200

• 220

• 240

• 4

• 6

• 8

• 10