Proportions in Real Life Quiz

A recipe uses 3 cups of flour to make 12 cookies. How many cups of flour are needed to make 20 cookies? Set up a proportion equation to solve.

• 4 cups

• 5 cups

• 6 cups

• 7 cups

Tags

CCSS.7.RP.A.3

If 5 pencils cost \$3, how much would 8 pencils cost? Use a proportion equation to find the answer.

• \$4.80

• \$5.00

• \$4.00

• \$3.80

Tags

CCSS.7.RP.A.3

A car travels 180 miles in 3 hours. At the same rate, how far will it travel in 5 hours? Set up and solve a proportion.

• 250 miles

• 300 miles

• 270 miles

• 350 miles

Tags

CCSS.7.RP.A.3

If 7 notebooks cost \$21, what is the cost of 10 notebooks? Use cross-multiplication to solve.

• \$25

• \$28

• \$30

• \$35

A map uses a scale of 1 inch : 50 miles. If two cities are 3.5 inches apart on the map, how many miles apart are they in reality?

• 150 miles

• 175 miles

• 200 miles

• 250 miles

Tags

CCSS.6.RP.A.3B

If 4 liters of paint cover 32 square meters, how many liters are needed to cover 56 square meters?

• 6 liters

• 7 liters

• 8 liters

• 9 liters

Tags

CCSS.6.RP.A.3B

A photo is 4 inches wide and 6 inches tall. If it is enlarged so that the width is 10 inches, what will be the new height? Set up a proportion to solve.

• 12 inches

• 13 inches

• 14 inches

• 15 inches

Tags

CCSS.7.RP.A.2C

If 9 apples cost \$4.50, how much do 15 apples cost? Use a proportion equation.

• \$6.00

• \$7.00

• \$7.50

• \$8.00

Tags

CCSS.7.RP.A.3

A car uses 8 gallons of gas to travel 240 miles. How many gallons are needed to travel 360 miles at the same rate?

• 10 gallons

• 12 gallons

• 14 gallons

• 16 gallons

Tags

CCSS.6.RP.A.3B

If 5 kg of rice costs \$20, how much will 8 kg of rice cost? Use cross-multiplication to solve.

• \$28

• \$30

• \$32

• \$34

Tags

CCSS.6.RP.A.3B