AM7: Solving 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.2

CCSS.7.RP.A.3

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

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

Solve:   3.6 / 9 = b / 0.5

• 5
• 2
• 0.2
• 0.4

Tags

CCSS.7.RP.A.3

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

A wildlife reserve has a population of 70 elephants. A group of researchers trapped 30 elephants and recorded their vital statistics. Of the trapped elephants, 24 were female. If that rate holds true for the entire population of 70 elephants, how many female elephants are on the wildlife reserve?

• 56
• 204
• 100
• 216

Tags

CCSS.6.RP.A.3B

The currency in China is the Yuan. The exchange rate is approximately 7.7 Yuan = $6.50. At this rate, how many dollars would Dawson get if he exchanged 37.2 Yuan?
*Round answers to nears tenth. Round dollar amounts to the nearest cent

• $33.28
• $44.07
• $30.62
• $31.40

Tags

CCSS.6.RP.A.3B

Natalie was planning a trip to Jordan. Before going, she did some research and learned that the exchange rate is $4 for 3 Dinars. How many Dinars would she get if she exchanged $56?

• 37 Dinars
• 42 Dinars
• 33 Dinars
• 75 Dinars

Tags

CCSS.6.RP.A.3B

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

Tags

CCSS.7.RP.A.2A

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