SOLUTION: A triangle has a perimeter of 72 units, and two of its sides measure x units and 3x units, respectively. Which inequality represents all possible values of x?

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Question 425020: A triangle has a perimeter of 72 units, and two of its sides measure x units and 3x units, respectively. Which inequality represents all possible values of x?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of 2 sides of a triangle must be less than its perimeter, so
+x+%2B+3x+%3C+72+
+4x+%3C+72+
+x+%3C+18+