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22 February, 09:09

The length of a rectangle is 2cm less than 7 times the width. the perimeter is 60cm. find length

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  1. 22 February, 09:22
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    26 cm

    Step-by-step explanation:

    we can make an equation to find the lengths

    2 (x+7x-2) = 60

    x : length of width

    7x-2 : the length of length

    2 : the two pairs of length and width

    solving this equation, we get x = 4

    but that is not the answer

    we have to plug in x=4 into 7x-2

    7*4-2 = 28-2 = 26
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