Unit Rate

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Mr. Keys made $90 in 5 hours.  What is the unit rate?  

• $18 per hour

• $1 in 18 hours

• $90:5h

• 5 to 90

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

If a car travels 300 miles on 10 gallons of gas, what is the unit rate of miles per gallon?

• 30 miles/gallon

• 10 miles/gallon

• 20 miles/gallon

• 40 miles/gallon

The amount for one of something.

• Unit Rate

• Independent Variable

• Proportion

• Ratio

The formula for calculating the unit rate (k).

• x = yk

• y = kx

• k = yx

• k = y/x

irections: Find each unit rate. Round your answer to the nearest hundredth:​ (a)  

7 penguins for $126.00 ________ each

• $18

• $24

• $4

• $10

If a printer prints 240 pages in 8 minutes, what is the unit rate of pages per minute?

• 30 pages/minute

• 20 pages/minute

• 40 pages/minute

• 25 pages/minute

Find each unit rate. Round your answer to the nearest hundredth:​ (a)  

11 chickens lay 77 eggs _________eggs per chicken

• 7

• 22

• 30

• 10