Lesson 17

Lacy earns $20.00 per hour tutoring. What is the unit rate?

• $15.00 per hour

• $20.00 per hour

• $25.00 per hour

• $30.00 per hour

Complete the ratio table to show the number of hours Lacy tutors and the total amount of money she earns.

a

b

c

d

e

f

g

h

i

j

3

40

5

100

80

1

20

2

60

4

At the rate of $20 per hour, how much money does Lacy earn if she tutors for 8 hours?

• $80

• $100

• $120

• $160

At the rate of $20 per hour, how many hours must Lacy tutor to earn $200.00?

• 5 hours

• 10 hours

• 15 hours

• 20 hours

Adesh is jumping rope. The double number line represents the number of minutes and the number of jumps Adesh does. How many jumps does Adesh complete in 5 minutes?

• 50 jumps

• 275 jumps

• 150 jumps

• 200 jumps

What is Adesh’s jumping rate in jumps per minute?

• 50 jumps per minute

• 20 jumps per minute

• 55 jumps per minute

• 40 jumps per minute

What is the unit rate?

• A rate in which the second quantity is one unit

• A rate in which the first quantity is one unit

• A rate in which both quantities are equal

• A rate in which the second quantity is zero

Blake fills 10 water balloons in 4 minutes. What is this rate in water balloons filled per minute? What is the unit rate?

• 2.5 water balloons per minute

• 3 water balloons per minute

• 4 water balloons per minute

• 2 water balloons per minute

A grocery store sells 5 cans of soup for $2.50. What is the rate in dollars per can?

• $0.50

• $0.75

• $1.00

• $1.25

A grocery store sells 5 cans of soup for $2.50. What is the price of 10 cans of soup?

• $5.00

• $4.50

• $6.00

• $3.50