Rate Complex and Unit Rates

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar

Simplify the complex fraction.

• 18

• 1/18

• 9/72

• 1/8

A unit rate is

• a rate with the numerator of one.

• a rate with the denominator of one.

Your parents asked you to calculate miles per gallon for the family road trip. They drove 256 miles with 8 gallons of gas. How many miles per gallon?

• 16 miles per gallon

• 42 miles per gallon

• 24 miles per gallon

• 32 miles per gallon

If a printer can print 240 pages in 4 minutes, what is the unit rate of pages per minute?

• 60 pages/minute

• 50 pages/minute

• 70 pages/minute

• 40 pages/minute

If a car travels 300 miles in 5 hours, what is the unit rate of miles per hour?

• 60 miles/hour

• 55 miles/hour

• 65 miles/hour

• 75 miles/hour

If a person walks 14 kilometers in 2 hours, what is their speed in kilometers per hour?

• 7 km/hour

• 8 km/hour

• 6 km/hour

• 5 km/hour

A cyclist covers 45 miles in 3 hours. What is the cyclist's speed in miles per hour?

• 15 miles/hour

• 20 miles/hour

• 10 miles/hour

• 12 miles/hour

A recipe calls for 2 cups of sugar for every 3 cups of flour. What is the unit rate of cups of sugar to cups of flour?

• 1 cup of sugar per cup of flour

• 2 cups of sugar per cup of flour

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2