Problema Solution
A triangle has a perimeter of 25 inches. The medium side is 4 more than the short side, and the longest side is 5 times the length of the shortest side. Find the shortest side.
Answer provided by our tutors
let
x = the shortest side, x>=0
medium side is 4 more than the short side:
x + 4 = the medium side
the longest side is 5 times the length of the shortest side:
5x = the longest side
the perimeter is 25 in means:
x + (x + 4) + 5x = 25
by solving we find:
x = 3 in
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the shortest side is 3 inches in length.