Posted by **Chris** on Thursday, March 28, 2013 at 12:11pm.

The perimeter of a triangle is 47 miles. The first side is 5 miles less than twice the second and the third is 2 miles more than the first. Find the lengths of each side.

- algebra -
**Steve**, Thursday, March 28, 2013 at 1:35pm
if x is second side,

first is 2x-5

third is 2x-5+2 = 2x-3

so,

2x-5 + x + 2x-3 = 47

5x = 55

x = 11

So, the 3 sides are 17,11,19

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