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18 April, 21:41

Write an equation to represent this situation and answer the question

Ella is trying to determine the side lengths of a triangle. She knows that the longest side is three times longer than the shortest. The medium side is ten more than twice the shortest side. If the perimeter is 142 com, how long is each side?

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  1. 18 April, 22:31
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    The equation would be x+3x (10+2x) = 142

    The sides are 22cm, 54cm and 66 cm.
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