Proportions

Ben earns extra money as a painter. He earns $41 for 4 hours and $71.75 for 7 hours. What is the constant of proportionality of dollars per hour?

• $37

• $64.75

• $10.25

• $18.50

Tags

CCSS.7.RP.A.2B

It takes Mike 18 minutes to finish reading 4 pages of a book.  If Mike reads each page at the same pace, how long does it take for him to finish reading 30 pages?

• 125 minutes
• 162 minutes
• 72 minutes
• 135 minutes

Tags

CCSS.6.RP.A.3B

The weight of 13 candy bars is 26 ounces.  If each candy bar weighs the same amount, what is the weight of 35 candy bars?

• 78 ounces
• 52 ounce
• 70 ounces
• 2 ounce

Tags

CCSS.6.EE.B.7

A machine can produce 21 yards of fabric in 7 minutes.  How much fabric can the machine produce in 1 hour?  
(Remember:  1 hour = 60 minutes)

• 180 yards
• 210 yards
• 3 yards
• 105 yards

Tags

CCSS.HSF-LE.A.1B

A photographer can take 12 pictures in 5 minutes.  How long will it take him to take 132 pictures?

• 50 minutes
• 55 minutes
• 60 minutes
• 65 minutes

Tags

CCSS.6.RP.A.3B

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

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.6.RP.A.3B

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

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

Jon can type 35 words per minute. How many minutes will it take to type 210 words?

• 7350

• 6

• 14

• 21.2

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2