Proportions

In a fruit salad, the ratio of bananas to strawberries is 3 to 5. If there are 15 bananas, how many strawberries are there?

• 20

• 25

• 30

• 35

In an ice chest, the ratio of soda to water is 3:8. If there are 63 sodas in the ice chest, how many total drinks are in there?

• 168

• 189

• 210

• 240

The ratio of boys to girls in a school is 2:3. If there are two hundred boys in the school, what is the total number of students in the school?

• 300

• 400

• 500

• 600

The ratio of pecans to chocolate chips in a snack pack is 4:3. There are 300 pecans in the bag. How many chocolate chips are in the snack pack?

• 225

• 250

• 275

• 300

Ronald uses 2 cups of sugar to make 12 brownies. Last week, Ronald made 84 brownies. How many cups of sugar did he use last week?

• 3.5

• 6

• 7

• 14

Solve for x 

• x = 1/10

• x = 10

• x = 4

• x = 5

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

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12

• $1.50

• $3

• $1

At Emily's summer camp, there were 80 girls and 12 counselors. At this rate, how many counselors should they have for 100 girls?

• 10

• 14

• 15

• 16

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar