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2. The equation y = 8x gives the points, y, earned by reading books.
Use this equation to find the number of books Stephanie read to earn 72 points. Show your work.
(Hint: Which variable can you substitute 72 for in y= 8x?)
Write your answer in the space below.

Respuesta :

y = points

so substitute 72 for y

72 = 8x

divide by 8

9 = x

stephanie reads nine books to reach 72 points
She has to read 9 books.

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