Identify Unit Rate

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate

• 9 players per team
• 12 players per team
• 10 players per team
• 11 players per team

In the equation below, y represents the total money spent at Dave and Buster's to play some games. The x represents the number of games played.

y = 3x

What is the constant rate of change?

• 0

• 3

• y

• 1

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Find the constant rate of change for this graph.

• 2 lb per person

• 1 lb per person

• 3 lb per person

• 4 lb per person

A store has a sale. You can purchase 3 pairs of socks for $12. Which ratio best describes unit rate?

• $12:1

• $9:1

• $4:1

• $3:1

The table lists the money Sarah earned for babysitting. Fill in the miss number to compete the table and identify the unit rate.

• $0.15 per hour

• $21 per hour

• $12 per hour

How many miles does the car travel each hour?

• 88

• 180

• 45

• 92

Jackson and Breanna go to the grocery store and see a sign in the produce department that reads: Apples 5 lbs. for $2.00. Breanna says, "The unit rate is 2.5 pounds of apples per dollar." Jackson disagrees and says, "The unit rate is forty centers per pound." Who is right?

• Neither are right

• Only Breanna

• Only Jackson

• Both are right

Mr. Jones’ truck can drive 4.5 miles on one gallon of gas. Mr. Jones made a table to show how far the truck can travel on a tank of gas.

What number is missing from the table?

• 36

• 28

• 24

• 20