Ratios and Rates

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

• $18 per hour

• $1 in 18 hours

• $90:5h

• 5 to 90

What was Brian's unit rate?

• 3/2 word per minute

• 30 minutes per word

• 60 minutes per word

• 30 words per minute

Solve the proportion.

• k=5

• k=45

• k=60

• k=90

• 4:6

• 4 to 6

• 3:2

• 2 to 6

If you have a 3:2 ratio of cats to dogs and there are 18 cats, how many dogs are there?

• 8

• 10

• 12

• 14

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

If you have a 4:1 ratio of cats to dogs and you have 20 cats, how many dogs do you have?

• 4

• 5

• 25

• 16

Ashley biked 32 miles in 2 hours. Mike biked 36 miles in 3 hours. How much farther can Ashley bike than Mike in 5 hours if they both continue at the same rate?

• 80

• 60

• 40

• 20

What is the ratio of oranges to apples if you have 12 oranges and 16 apples?

• 3:4

• 4:3

• 12:16

• 16:12

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