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Sally had seventy - seven dollars to spend on eight books. After buying them she had thirteen dollars. How much did each book cost ?
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Respuesta :

Answer:

$8 each

Step-by-step explanation:

We know Sally has $77 to spend. She bought 8 books, and was then left with $13. First, let's subtract 13 from 77 to see how much it cost in total.

77 - 13 = 64

Now, to find out how many each book cost, we have to divide the total amount by how many books Sally got.

64 / 8 = 8

Each book cost $8.