Unit Rates Review

A recipe calls for 2/3 cup white sugar for every ¾ cup brown sugar. If I want to use 1 cup of white sugar, how much brown sugar should I use?

• 9/8 cups

• 1/2 cups

• 8/9 cups

• 2 cups

Lauren bikes 4/3 miles in 1/10 hour. How long does it take her to bike one mile?

• 15/2 hours

• 2/15 hours

• 40/3 hours

• 3/40 hours

Joe can run 3 2/5 miles in 7/8 of an hour. What is his speed in miles per hour?

• 3  9/13 mph

• 119/40 mph

• 3  31/35 mph

• 35/136 mph 

Paige mows 1/6 of an acre in 1/4 hour. How many acres does Paige mow per hour? 

• 6/4

• 2/3

• 2

• 3

Sasha can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does Sasha mow per hour?

• 2  ac./hr.

• 1/2  ac./hr.

• 9/24  ac./hr.

If a snail can move 3/10 of a meter every 1/12 hour, what is the speed of the snail, in meters per hour?

• 1/40

• 5/18

• 1 1/2

• 3 3/5

A painter used 1 1/2 gallons of paint to paint 3/4 of a room.  At this same rate, how many gallons will it take to paint the whole room?

• 1/2

• 1 1/8

• 2

• 6

A novelist can write 2 ¼ pages in 3/5 of an hour. What is her speed in pages per hour?

• 4/15 pages per hour

• 15/4 pages per hour

• 20/27 pages per hour

• 27/20 pages per hour

Kyle entered a pie eating contest.  He took 1/5 of a minute to eat 1/2 of a pie.  How many pies can Kyle eat per minute?

• 2 and 1/2 minutes per pie

• 2/5 of a minute per pie

• 2 and 1/2 pies per minute

• 2/5 of a pie per minute

Kendall used 1/2 of a bag of seed to plant 1/10 of her garden. How many bags will Kendall use to plant her garden?

• 2

• 5

• 10

• 20