NC.7.RP.2d Exam Prep

A delivery driver and a cyclist are traveling from a central depot. The graph shows their distance from the depot over time. Which statement correctly describes their travel?

• The cyclist traveled at a speed of 1 mile per minute.

• The delivery driver traveled at a speed of ¹/₂ mile per minute faster than the cyclist.

• Both traveled at the same speed because their lines are straight.

• The delivery driver traveled at a speed of 20 miles per hour.

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NC.7.RP.2d

A store offers a discount where for every $10 spent, you save $2. Which graph represents this proportional relationship between the amount spent and the savings?

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NC.7.RP.2d

The graph illustrates the amount of water flowing from a tap over time. The number of liters of water that would flow out in 25 minutes is:

Mathematical Equivalence

ON

The graph displays the weight of a collection of identical books. What is the meaning of the point (1, 0.5) in terms of the context?

• 1 kilogram is the weight of 0.5 books.

• Each book weighs 1 kilogram.

• 0.5 books weigh 1 kilogram.

• One book weighs 0.5 kilograms.

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NC.7.RP.2d

The graph shows the number of pages a printer can print over time. The printer prints 25 pages per minute. Which statement is true about the graph of the line?

• A. The point (1, 25) lies on the graph and indicates that 1 page is printed in 25 minutes.

• B. The point (2, 50) lies on the graph and indicates that 50 pages are printed in 2 minutes.

• C. The point (75, 3) lies on the graph and indicates that 3 pages are printed in 75 minutes.

• D. The point (4, 75) lies on the graph and indicates that 75 pages are printed in 4 minutes.

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NC.7.RP.2d

This graph represents the cost of buying bulk candy, based on the weight. Which statement is not true about the cost of the candy?

• 0.5 pounds of candy costs $2.

• 2 pounds of candy will cost $8.

• 0.25 pounds of candy will cost $1.

• 1.5 pounds of candy will cost $7.

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NC.7.RP.2d

The graph represents the relationship between the time spent exercising and the number of calories burned. How many calories are burned per 10 minutes of exercise?

• 25 calories

• 40 calories

• 50 calories

• 75 calories

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NC.7.RP.2d

This graph represents the amount of commission earned based on the total sales made. Which statement best describes the unit rate of commission earned per dollar of sales?

• The commission rate is 5%.

• The commission rate is 6%.

• The commission rate is 7%.

• The commission rate is 8%.

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NC.7.RP.2d

This graph shows the relationship between the number of pieces of a certain type of fruit and their total weight. How many ounces is one piece of fruit?

Mathematical Equivalence

ON

A student is reading a book at a constant pace. The graph shows the number of pages read over a certain amount of time. What does Point Z represent on the graph?

• The student reads 20 pages in 15 minutes.

• The student reads 15 pages in 20 minutes.

• The student reads 1 page every 5 minutes.

• The student reads 15 pages in 5 minutes.

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NC.7.RP.2d