Ratio and Rate

Which of these are a rate?

• $1.50 per lb

• 10 lbs for $10.00

• 500 blinks per hour

• 40 meters per 5 seconds

• All of the Above- they are all rates

If you buy Jolly Ranchers buy the pound and you buy 4lbs and it costs you $15.24. How much did you pay per pound?

• $3.81

• $3.00

• $3.82

• $.38

Which is a better buy per pencil? 14 pencils for $1.68 or 10 pencils for $1.50?

• 14 pencils for $1.68

• 10 pencils for $1.50

What is a better deal for salsa per ounce?

• 16 ounces for $3.36

• 24 ounces for $4.80

Evan can run 4 kilometers in 20 minutes. At this rate, how far can Evan run in 1 minute?  

• 80km

• 5km

• 0.2km

• 24km

Answer explanation

4km ÷ 20minutes=0.2km

Evan can run 0.2km in 1 minute.

A car travels 160 miles in 4 hours.  At this rate, how far will the car travel in 7 hours?

• 280 miles

• 40 miles

• 280 miles per hour

• 240 miles

How can the ratio of pizza to pretzels and muffins be written?

• 4:5

• 9:1

• 7:3

• 5:4

If a school bus has 50 seats and 35 are occupied, what is the ratio of occupied to unoccupied seats?

• 7:3

• 3:7

• 5:2

• 2:5

What is the unit rate of miles per hour if 355 miles are traveled in 5 hours?

• 71 miles per hour

• 70 miles per hour

• 72 miles per hour

• 69 miles per hour

What is the unit rate of books read per student?

• 3 books per student

• 4 books per student

• 5 books per student

• 6 books per student