Proportions and Unit Rates

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

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $.50 per pound

• $1.25 per pound

• $3 per pound

• $2.50 per pound

A cashier at the grocery store rung up 2 customers in 8 minutes. At this rate, how many customers can he ring up in 30 minutes?

• 16 customers

• 10.5 customers

• 7.5 customers

• 14 customers

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles

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 book has 300 pages and can be read in 10 hours, what is the reading rate in pages per hour?

• 30 pages/hour

• 25 pages/hour

• 35 pages/hour

• 40 pages/hour

A tank can be filled with water at a rate of 150 liters in 3 minutes. What is the unit rate of liters per minute?

• 50 liters/minute

• 60 liters/minute

• 40 liters/minute

• 45 liters/minute

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

• 0

• 3

• 1

• 2

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

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

• 0

• 3

• 1

• 2