Comparing Proportional Relationships in Different Forms

Which pizzeria makes more money?

• Pizzeria W
• Pizzeria L
• They both make the same amount

The graph shows the proportional relationship between the number of days Restaurant T is open and how many people they served.  The equation y=82x represents the relationship for Restaurant S.  Which restaurant served more people?

• Restaurant S
• Restaurant T
• They both served the same amount of people

The graph shows the proportional relationship between the number of days Restaurant T is open and how many people they served.  The equation y=82x represents the relationship for Restaurant S.  Which restaurant served more people?

• Restaurant S
• Restaurant T
• They both served the same amount of people

The equation y=²³/₂x represents the price of beef jerky in Store A.  The table shows the price for Store B.  Which store has the better price?

• Store A
• Store B
• They both have the same price

Hadley is driving to Colorado. She has been traveling for 4 hours, and she has driven 260 miles. Find her speed in miles per hour.

• 85
• 65
• 60
• 70

• A

• B

• C

• D

Sonia must rent a truck to transport some furniture across town. A1 Truck Rentals calculates the cost of a truck rental using the equation C = 60h, where C is the cost and h is the time the truck is rented, in hours. In-Town Truck Rentals calculates the cost to rent a truck using the graph below.

• Sonia should rent from In-Town Truck rentals for the first hour since their first-hour rate is better than that of A1 Truck Rentals.

• Sonia will pay the same amount regardless of the rental company she chooses since both have the same cost per hour.

• Sonia should rent from A1 Truck Rentals because their cost per hour is less than that of In-Town Truck Rentals.

• Sonia should rent from In-Town Truck Rentals because their cost per hour is less than that of A1 Truck Rentals.

• $3.60

• $9.00

• $9.50

• $12.00

An old assembly-line robot can complete its task on 22 car steering wheels in one minute. A new robot, designed to complete the exact same task more quickly, has its production illustrated in this graph.

How does the work rate for the new robot compare to that of the old robot?

• The new robot can complete 3 more tasks per minute than the old robot.

• The new robot can complete 8 more tasks per minute than the old robot.

• The new robot can complete 30 more tasks per minute than the old robot.

• The new robot can complete 480 more tasks per minute than the old robot.