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7 April, 10:29

The length of a rectangle is equal to triple the width. Which system of equations can be used to find the dimensions of the rectangle if the perimeter is 86 centimeters

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  1. 7 April, 12:39
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    w=10.75 l=32.25

    Step-by-step explanation:

    So if we know that the length is 3 times as long as the width than if the width is x, length would be 3x.

    3x+3x+x+x=86 There are two lengths and two widths

    8x=86 Combine like terms

    x=10.75 divide both sides by 8 and our width is 10.75

    Length is 32.25 multiply 10.75 by 3
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