SOLUTION: Age Problem 1. Jeff is 10 yrs.old and his brother is 2 yrs.old . In how many yrs.will Jeff be twice as old as his brother?

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Question 1005644: Age Problem
1. Jeff is 10 yrs.old and his brother is 2 yrs.old . In how many yrs.will Jeff be twice as old as his brother?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Call x the number of years in the future.
Then we have
10 + x = 2(2 + x)
10 + x = 4 + 2x
Subtract 4 and subtract x from both sides and get
x = 6 years
(My name is Jeff, but my kid brother is 13 years younger than me!)