SOLUTION: Ten years from now, A will be twice as old as B. Five years ago, A was three times as old as B. What are the present ages of A and B?
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Question 610820: Ten years from now, A will be twice as old as B. Five years ago, A was three times as old as B. What are the present ages of A and B?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
"Ten years from now, A will be twice as old as B" ___ A + 10 = 2(B + 10)
"Five years ago, A was three times as old as B" ___ A - 5 = 3(B - 5)
subtract the equations (to eliminate A); solve for B; then substitute back to find A
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