Unit Review Prop Relationships

Deon went to the store to buy chicken. What is the cost of 1 pound (lb) of chicken?

Mathematical Equivalence

ON

Quinn is buying sodas for his friends. Select the equation that represents the proportional relationship when the total cost is t, the cost of the sodas are $2.53, and the number of sodas is represented using n.

• n = 2.53t

• t = 2.53 + n

• t = 2.53n + 2.53

• t = 2.53n

Paige is buying tickets for a concert. What is the constant of proportionality that relates y, the total cost in dollars, to x, the number of tickets purchased?

Mathematical Equivalence

ON

Corley & Cole are at Six Flags with 24 rides. If they only had 8 hours to ride, how many rides could they visit in 1 hour?

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The graph shows the number of miles Antonio ran during a given number of hours. Which statement about the graph is true?

• A. Selwin ran 20 miles in 1 hour.

• B. Selwin ran 30 miles in 1 hour.

• C. Selwin ran 10 miles in 1 hour.

• D. Selwin ran 2 miles in 1 hour.

Edward can run as fast as 11 kilometers per hour. Which answer choice represents the same constant rate of change?

• 121 kilometers in 11 hours

• 44 kilometers in 44 hours

• 77 kilometers in 0.7 hours

• 1.1 kilometers in 11 hours

7. Bennett & Halley are local bakers in Mansfield. They are selling 3 gourmet confetti cupcakes for $12.81. What is the constant rate of change that relates to y, the cost of each cupcake?

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Kylin is riding his motorcycle to Las Vegas. What is the constant of proportionality that relates, y, the number of miles, to x, the number of hours? (mph) just put answer

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Dasia is repainting her room. She estimates that she paints 27 square feet every 15 minutes. How many square feet does Dasia paint per hour? (careful: remember 60 minutes = 1 hr)

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If Mrs. Adams' spider Itsy can travel 121 km per in 11 hours, what is her constant rate of change? (just put number)

Mathematical Equivalence

ON