SOLUTION: A triangle has perimeter of 115 cm. The longest side is twice as long as the shortest side, and the third side is 10 cm shorter than the longest side. How long is each side?

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Question 1164617: A triangle has perimeter of 115 cm. The longest side is twice as long as the shortest side, and the third side is 10 cm shorter than the longest side. How long is each side?
Answer by Alan3354(69443) About Me  (Show Source):
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A triangle has perimeter of 115 cm. The longest side is twice as long as the shortest side, and the third side is 10 cm shorter than the longest side. How long is each side?
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s = shortest side
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Longest side = 2s
3rd side = 2s-10
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Add them.
The sum is 115