Susan41 Susan41

07-03-2017
Mathematics

contestada

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?

Respuesta :

amelia18 amelia18

07-03-2017

The equation would be x+3x(10+2x)=142
The sides are 22cm , 54cm and 66 cm.

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