Proportional Reasoning 7th Grade

In a city, the average cost of electricity is $0.12 per kilowatt-hour. Which graph best represents this relationship?

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A recipe for trail mix requires 1.5 cups of nuts for every cup of dried fruit. Create a graph to represent y, the number of cups of nuts required for x cups of dried fruit. Select two points on the coordinate grid. A line will connect the points.

A family makes homemade pickles. They pack the pickles at a rate of 80 pickles per 5 jars. Which answer choices best represent packing y pickles in x jars at that rate? Select TWO correct answers.

• A) y = 16x

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A dog eats 1.25 cups of dog food twice a day. Which graph best represents this relationship?

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An online game increases in number of users at a rate of 500 users each day. Which graph best represents the relationship between y, the number of users, and x, the number of days?

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A shopper pays $3.95 for 5 pounds of potatoes. What is the price per pound for potatoes?

• $0.40

• $0.79

• $1.05

• $1.27

Imani compared the number of fluid ounces per bottle of sunscreen to the cost of four different brands of sunscreen. The information she gathered is shown in the table. Based on the data in the table, which brand of sunscreen has the greatest cost per fluid ounce?

• Brand W

• Brand X

• Brand Y

• Brand Z

A diver had descended 64 feet underwater after 4 minutes. After 6 minutes, the diver had descended 96 feet underwater. What is the constant of proportionality that relates the number of feet descended, y, to the number of minutes, x?

• 3/2

• 1/16

• 24

• 16

A table of x- and y-values is shown. What is the constant of proportionality that relates y to x?

• 1/4

• 4

• 1/8

• 8

​ How many pages per minute does the printer print in black and white? How many pages per minute does the printer print in color?

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