SOLUTION: Marge is 16 and her grandmother is 70. In how many years will Marge's grandmother be three times as old as she?

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Question 1207275: Marge is 16 and her grandmother is 70. In how many years will Marge's grandmother be three times as old as she?

Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
In how many y years

%2870%2By%29%2F%2816%2By%29=3

Understand, and continue.







11 years