Proportions and Unit Rates

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

• 16 customers per hour

• 12 customers per hour

• 20 customers per hour

• 15 customers per hour

One snowy day, the snow was falling at a rate of 3 inches per hour.  If it kept snowing at the same rate, now many inches would accumulate in 2½ hours

• 7 ½  inches

• 6 ½ inches

• 5 ½ inches

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

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.

• 6

• 7

• 8

• 9

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

Choose the scenarios that represent a proportional relationship.

• One giant pizza feeds 3 people.

• Mr. Johnson is paid $4.75 per hour, plus a $20 bonus.

• You dig a hole that is 3 feet deep for every 5 feet of tree height.

• A jogger runs and burns 93 calories per mile

• Jane went bowling, it cost $1.50 for the shoes and $2.50 per game

Which table represents the same proportional relationship as the give ordered pairs?

{ (3,6), (4,8), (7, 14) }

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Jonah is saving money each week. Which of the following represent the same proportional relationship as the graph?

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