Ratios and Rates

A ratio is ______________.

• I don't know.

• a comparison between 2 things

• a number

• integers

What is the value of y?

Simplify first if you need to.

• 3

• 5.3

• 1.08

• 27

Solve the proportion:

• 15
• 5
• 10
• 12

Solve the proportion. What is the value of k?

Simplify first if you need to.

• k=5

• k=3.3333333

• k=60

• k=90

The car travels 440 miles in 8 hours. What is the unit rate?

(Unit rate means how many miles in 1 hour?)

• 12 miles in 1 hour

• 55 miles in 1 hour

• 110 miles in 1 hour

• 44 miles in 1 hour

Jack jumps 40 times per 4 minutes. How many times does he jump per 1 minute?

• 5

• 10

• 40

• 36

• 75%

• 34%

• 20%

• 80%

• 25%

• 45%

• 50%

• 75%

A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 Weeks
• 24-ounce bottle
• 10.6 Weeks
• 10.6-ounce bottle

A sea turtle made 460 dives in 12 hours. At this rate, how many dives did the sea turtle make in 3 hours?

• 153

• 115

• 120

• 165