SOLUTION: If ten years from now, A will be twice as much as B. And five years ago, A was three times more than B. What are A and B's present ages?

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Question 719278: If ten years from now, A will be twice as much as B. And five years ago, A was three times more than B. What are A and B's present ages?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Current ages, A and B.
Ten years from now: A%2B10=2%28B%2B10%29,
A-2B=20-10
A-2B=10

Five years ago: A-5=3B,
A-3B=5

Put together the system to solve:
highlight%28A-2B=10%29
highlight%28A-3B=5%29

Trying for elimination, highlight%28B=5%29....