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18 January, 23:22

The perimeter of a rectangle is given by P equals 2 l plus 2 w. Find the width of a rectangle whose length is 35 and perimeter is 84 in.

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  1. 18 January, 23:46
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    2l + 2w = P

    l = 35, P = 84, w=?

    2*35 + 2*w = 84

    70 + 2w = 84

    2w = 84 - 70

    2w = 14

    w = 14/2

    w = 7 in
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