SOLUTION: in 1980 Bob was 10 years old. How Old would would Bob be today if his sister was twice his age back then?

Question 1077524: in 1980 Bob was 10 years old. How Old would would Bob be today if his sister was twice his age back then?

Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
in 1980 Bob was 10 years old. How Old would would Bob be today if his sister was twice his age back then?
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It's 2017, 37 years later.
Bob would be 10+37 = 47 today.
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His sister's age is not relevant.

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Sister's age is not part of the question.

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----------Bob's age today
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