Proportions Word Problems

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks
• 6 weeks
• 30 weeks
• 20 weeks

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

• 7 homes
• 39 homes
• 73 homes 
• 40 homes

Tags

CCSS.7.RP.A.3

A 6-ounce package of fruit snacks contains 45 pieces.  How many pieces would you expect in a 10-ounce package?

• 25 pieces
• 35 pieces
• 75 pieces
• 70 pieces

Tags

CCSS.6.RP.A.3B

Sue types 3 pages in the same amount of time that Mary types 4.5 pages.  If Sue and Mary start typing at the same time, how many pages will Mary have typed when Sue has typed 11 pages?

• 16.5 pages
• 16 pages
• 15 pages
• 15.5 pages

Tags

CCSS.6.RP.A.3B

A grading machine can grade 48 multiple-choice tests in 1 minute.  How log will it take the machine to grade 300 tests?

• 6 minutes
• 6.25 minutes
• 5.25 minutes
• 5 minutes

Tags

CCSS.6.RP.A.3B

The waiting time to ride a roller coaster is 20 minutes when 150 people are in line.  How long is the waiting time when 240 people are in line?

• 90 min
• 30 min
• 32 min
• 30 min

Tags

CCSS.7.RP.A.3

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

• 18 wk
• 20 wk
• 22 wk
• 24 wk

Tags

CCSS.6.RP.A.3B

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

• 18 wk
• 20 wk
• 22 wk
• 24 wk

Of the 50 fish John caught from the lake, 14 were trout.  The estimated population of the lake is 7,500.  About how many trout would you expect to be in the lake?

• 2,100 trout
• 2,000 trout
• 2,200 trout
• 2,300 trout

Tags

CCSS.7.RP.A.2

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.2A