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14 May, 18:42

The length of a rectangle is 8cm more than 3 times its width. the perimeter of the rectangl is 64cm. what are the dimensions of the rectangle

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  1. 14 May, 20:04
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    let the width be x

    the length will be 8 + 3x

    We use the formula:

    2W + 2L = P

    where W is width, L is Length, P is parameter of the rectangle

    2 (x) + 2 (8 + 3x) = 64

    2x + 16 + 6x = 64

    2x + 6x = 64 - 16

    8x = 48

    x = 48/8

    x = 6

    Width is 6

    Length is 8 + 3 (6) = 8+18 = 26

    Therefore Length of rectangle is 26 cm and Width is 6 cm
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