SOLUTION: 5 years ago, Bob was 1/3 of the age he will be in 9 years. How old is Bob now?

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Question 401414: 5 years ago, Bob was 1/3 of the age he will be in 9 years. How old is Bob now?
Answer by njusa(12) About Me  (Show Source):
You can put this solution on YOUR website!

(x-5)3 = x+9
3x-15 = x+9
2x = 24
x = 12
BOB is currently 12 years old
Check:
12+9 = 21
12-5 = 7
21/7=3