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11 April, 05:07

Sam is making a case for his calculator. It is a rectangular prism that will be 5.5 inches long by 2 inch wide by 5 inches high. How much material (surface area) will he need to make the case?

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  1. 11 April, 06:48
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    97in³

    Step-by-step explanation:

    L = 5.5, W = 2, H = 5

    2 (h * W) + 2 (h * L) + 2 (W * L)

    = 2 (5*2) + 2 (5*5.5) + 2 (2*5.5)

    = 2 (10) + 2 (27.5) + 2 (11)

    = 20 + 55 + 22

    = 97in³
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