Proportional Relationships Review

What is the constant of proportionality (in miles per hour) based on the table?

• 45 mph

• 90 mph

• 135 mph

• 2 mph

Susan went to a store where you can scoop your own ice cream and buy as much as you want. She bought 5 gallons of strawberry ice cream for $17.50. How much did she pay per gallon?

• $3.50 per gallon

• $3.00 per gallon

• $2.50 per gallon

• $5.50 per gallon

A you-pick blueberry farm offers 6 lbs of blueberries for $16.50. Write the equation for cost per pound.

• p = 2.75c

• c = 99c

• c = 2.75p

There are 3 cans that store 9 tennis balls. Write an equation for balls per can.

• x = 27y

• y = 9x

• y = 3x

• x = 3y

In 25 minutes Li can run 10 laps around the track. Write an equation for the number of laps she can run per minute.

• y = 5x

• y = 2x

• y = 2/5 x

• y = 5/2 x

Bananas are sold $1.77 for 3 pounds. Write an equation for the cost per pound.

• c = 0.59p

• c = 1.69p

• p = 0.59c

• c = 3p

Use the equation y = 9x. If John made $189, how many hours did he work

• 20 hours

• 21 hours

• 32 hours

• 9 hours

What is the constant of proportional?

• 10

• 2

• 5.5

• 5

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked
  is the unit rate

• $500 is earned for every 8 hours worked

• $250 is earned after working 3 hours

Jane put a 18 inch tall bucket under a leak in her sink.  The bucket fills at a constant rate of ¾ inch every ⅙ of an hour.  How many hours will it take to fill the bucket?

• 4 ½ of an hour

• ⅔ of an hour

• 3 hours

• 4 hours