Mathematics

Question

The area of a rectangular wall of a barn is 32 square feet. It’s length is 4 feet longer than the width. Find the length and width of the wall of the barn

1 Answer

  • Answer:

    Step-by-step explanation:

    Givens

    Area = L * w

    w = x

    l = x  + 4

    Area = 32

    Solution

    32 = x(x + 4)

    32 = x^2 + 4x

    x^2 + 4x - 32

    (x + 8)(x - 4)

    Only x - 4 is going to make any sense

    x - 4 = 0

    x = 4

    The width is 4

    The length is 4 + 4 = 8

    4*8 = 32 which is the area.

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