SOLUTION: In 12 years Anna 's mother will be three times as old as she was 20 years ago. What age does she have now?

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Question 1085185: In 12 years Anna 's mother will be three times as old as she was 20 years ago. What age does she have now?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let m be Anna's mother. Then m+12=Anna's mother in 12 years. So:
m+12=3(m-20)
Solve for m. ☺☺☺☺