Asked by Ernie

The perimeter of a triangle is 57in. The longest side is 13in. longer than the medium side, and the medium side is 7 in. more than the shortest side. find the length of each side of the triangle.
The length of the longest side is ___in, the length of the medium side is __in. and the length of the shortest side ___in.
Answered by Steve
well, just use what you're told. If the medium side is x, then

x-7 + x + x+13 = 57

Now just find x and you're almost done.
Answered by Ernie
x=17
x-7=10+17=27+17=44+13=57
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