Rates Unit Rates

• a
• b
• c
• d

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

A sixth-grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than grading 36 homework assignments in 30 minutes?

• Slower rate

• Faster rate

• He didn't grade them

• Everyone got 100

150 grams of fertilizer is required for a land area of 6 square acres.  At this rate, how many grams of fertilizer is needed for 13 square acres?

• 25 grams

• 300 grams

• 325 grams

• 310 grams

Comparing 2 quantities with a denominator of 1

• unit price

• unit rate

• equivalent ratio

• ratio table

Which statement describes a unit rate?

• A

• B

• C

• D

• 13 pounds per 12 inches
• 15 fish per 12 gallons
• 24 hours per day
• 55 miles in 3 hours

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

Which statement best describes the unit rate?

• 50 cm per second

• 300 cm per second

• 1 cm per second

• 25 cm per second

A factory produces 480 gadgets in 8 hours. What is the production rate per hour?

• 60 gadgets/hour

• 55 gadgets/hour

• 65 gadgets/hour

• 70 gadgets/hour