# algebra

posted by Barbara

a triangle has a perimeter of 126 centimeters, each of the 2 longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle.

1. Reiny

shortest side --- x
each of the other sides --- 3x

x + 3x + 3x = 126
7x = 126

carry on ....

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