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7 July, 05:17

When wrapping a birthday gift for his mother kemji adds additional 2.5 square feet of gift wrap to allow for overlap. how many squares feet of gift wrap will kenji use to wrap a gift 3.5 ft long 18 in wide and 2 ft high?

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  1. 7 July, 05:37
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    For this case, the first thing to do is find the surface area of a rectangular prism.

    A = 2 * (h) * (l) + 2 * (h) * (w) + 2 * (w) * (l)

    Where,

    h: height

    l: long

    w: width

    Substituting values:

    A = 2 * (2) * (3.5) + 2 * (2) * (18/12) + 2 * (18/12) * (3.5)

    A = 30.5 ft ^ 2

    Then, the amount of wrapping paper is:

    W = A + 2.5

    W = 30.5 + 2.5

    W = 33 ift ^ 2

    Answer:

    kenji will use 33 ft ^ 2 of gift wrap to wrap a gift
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