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8 October, 01:26

Write an expression for A and B

Pietro used an eight-foot board to cut 3 shelves. Each shelf was 2 1/2 feet long.

A. How much board did the 3 shelves use

B. How much, if any, wood did Pietro have left?

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Answers (1)
  1. 8 October, 03:56
    0
    A.

    2 1/2 * 3

    5/2 * 3 = 15/2 = 7 1/2 ft used

    B

    8 - 7 1/2 = 1/2 feet left.
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