SOLUTION: gary is older than 3 times the age of his sister elena

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Question 918559: gary is older than 3 times the age of his sister elena
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x Elena's age referred to
3x Bob's age
Question states***
3x - x > 0
0r
2x > 0