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math

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a rectangular mural is painted on a wall. if the mural is 12ft wide and covers 86.4sqft,what is the height of the mural?

  • math -

    The formula for finding the area of a rectangle is:
    A = 2h + 2w

    You know the area and the width. Solve the equation for the height. If you post your answer, we'll be glad to check it.

  • math -

    The area of a rectangle is (length)(width)

    so 86.4 = 12(length)
    length = 86.4/12

    Check your answer by multiplying what you got by 12

  • math -

    9,76.8

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