Calculating Unit Rate

Joshua drove 90 miles on 15 gallons of gas. Find the unit rate.

• 0.17 mpg

• 135 mpg

• 6 mpg

• 75 mpg

Ilana made $45 babysitting for 6 hours. How much does she make per hour?

• $75 per hour

• $7.50 per hour

• $270 per hour

• $2.70 per hour

Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal?

• Joe

• Rose

• Mrs. Hoyme

• William

Jack jumps 40 times per 4 minutes.  How many times does he jump per 1 minute?

• 5

• 10

• 40

• 36

Sara Lee Turkey $6.58 per lb.
or
Butterball Turkey $11.16 for 2 lb.
Find the unit price of each and choose the better deal.

• Sara Lee

• Butterball

A store had 2 blue chairs for $22.78 or 6 red chairs for $67.80. Which color chair has the lower unit price?

• 2 blue chairs for $22.78

• 6 red chairs for $67.80

Harry mowed eight lawns and earned $96. How much did he earn for each lawn?

• $96

• $12

• $768

• $8

I worked 38 minutes on 4 assignments. How long did it take per assignment?

• 152

  minutes per assignment

• 9.5

  minutes per assignment

• 9.5

  assignments per minute

• 152

  assignments per minute

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p

• c = 3.5p

• p = .29c

• p = 3.5c

A sixth-grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than grading 36 homework assignments in 30 minutes?

• Slower rate

• Faster rate

• He didn't grade them

• Everyone got 100