Proportion Solving

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

If 24 loaves of bread cost $48.00, how much would 10 loaves of bread cost?

• $12.00

• $24.00

• $2.00

• $20.00

A chef made 30 donuts in 60 minutes.  How long would it take him to make 90 donuts?

• 15 minutes

• 180 minutes

• 120 minutes

• 240 minutes

Four big water bottles can hold 8 gallons of water.  How much water can 3 big water bottles hold?

• 6 gallons

• 4 gallons

• 12 gallons

• 2 gallons

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

It took Nora 10 hours to walk a 30-mile trail.  How long did it take her to walk 9 miles at the same speed?

• 4 hours

• 1 hour

• 5 hours

• 3 hours

The total weight of 15 bags of groceries is 45 pounds.  If each bag weighs the same amount, how much would 7 bags of groceries weigh?

• 22.5 pounds

• 3 pounds

• 21 pounds

• 35 pounds

Solve the proportion.

• k = 5

• k = 6

• k = 60

• k = 90

Solve the proportion.

• 2.5

• 1

• 3.25

• -2.25

Solve the proportion.

• 15

• 5

• 10

• 12