SOLUTION: In 30 years James will be 8 times as old as he was 12 years ago. How old is he now?

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Question 576223: In 30 years James will be 8 times as old as he was 12 years ago. How old is he now?
Answer by chana(69) About Me  (Show Source):
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In 30 years James will be 8 times as old as he was 12 years ago. How old is he now?
sol:
let x be the unknown age
as given : x +30 = 8 * (x - 12)
solving for x you get 18 years