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11 October, 17:45

The length of a rectangle is 5in longer than its width. If the perimeter of the rectangle is 46in, find its area

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  1. 11 October, 18:00
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    width = x

    length = x+5

    2x + 2 (x+5) = 46

    2x + 2x + 10 = 46

    4x = 46 - 10

    4x = 36

    x = 36/4

    x = 9 in ← width

    length = x+5 = 9 + 5 = 14 in

    Area = 9 * 14 = 126 in ²
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