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30 July, 03:33

A hallway has an area of 63 square feet. the length of the hallway is 7 times longer than the width. what is the width of the hallway?

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  1. 30 July, 07:13
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    The area is given by:

    A = (w) * (l)

    Where,

    w: width

    l: length

    Substituting values we have:

    63 = (w) * (7w)

    Clearing w we have:

    w ^ 2 = 63/7

    w = root (9)

    w = 3 feet

    Answer:

    the width of the hallway is:

    w = 3 feet
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