Unit 2 Review

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 store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour

• 15 customers per hour

• 12 customers per hour

• 20 customers per hour

I paid $15.00 for 6 gallons of gasoline. What was the price per gallon?

• $0.40

• $9.00

• $2.50

• $0.90

Does the table represent a proportional relationship?

• Yes.

• No.

Does the table represent a proportional relationship?

• Yes.

• No.

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30

• $20

• $60

• $10

How much money would you make in 6 hours?

• $44

• $9

• $54

• $45

Is this graph proportional?

• Yes

• No

• Sometimes

• Both

In the equation y = kx, what is the constant of proportionality?

• y

• x

• k

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour