SOLUTION: five years ago, Gemma was twice as old as tony is now, in seven years Gemma will be five times as old as Tony is now. What are Gemma and Tony's current age?
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Question 452135: five years ago, Gemma was twice as old as tony is now, in seven years Gemma will be five times as old as Tony is now. What are Gemma and Tony's current age?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
g-5=2t
g+7=5t
g=2t+5
g=5t-7
2t+5=5t-7
12=3t
4=t
g-5=8
g=13
check
13+7=5*4
20=20
ok
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