Calculating Unit Rate Using Fractions and Mixed Numbers

It takes a turtle 3 ¼ hours to walk 1 ½ miles. How many hours does it take to walk one mile?

• 6/13 hours

• 39/8 hours

• 13/6 hours

• 8/39 hours

• 187/18 gallons

• 22/17 gallons

• 17/22 gallons

• 18/187 gallons

• 15/13 liters per hour

• 13/15 liters per hour

• 65/12 liters per hour

• 12/65 liters per hour

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

• 76/9 km

• 16/19 km

• 9/76 km

• 19/16 km

What is a complex fraction?

• A really hard fraction to figure out 
• A fraction with a fraction in the numerator, denominator, or both 
• A fraction multiplied by a decimal
• A fraction with an exponent 

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.

Simplify the complex fraction shown.

• 9/40
• 40/9
• 10/36
• 5/18

Simplify the complex fraction.

• 18
• 1/18
• 9/72
• 1/8

If a dog can eat 1/3 of a bag of food in 1/2 week, how many bags of food can the dog eat in 1 week?

• 1/6
• 2/3
• 3/2
• 5/6