Unit Rates

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

I paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?

• $0.40

• $9.00

• $2.50

• $0.90

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

• $1.25 per pound

• $1 per pound

• $2 per pound

• $1.50 per pound

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour

• 15 customers per hour

• 12 customers per hour

• 20 customers per hour

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 ratio of
20 to 25

• 1 to 5

• 2 to 5

• 3 to 5

• 4 to 5

What number is missing?

• 12

• 3

• 11

• 13

• a

• b

• c

• d

• a

• b

• c

• d

What mathematical operation do ratios involve?

• addition

• subtraction

• multiplication

• division