SOLUTION: Joshua is twice as old as his brother. Four years ago he was four times as old. Find the ages now.

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Question 1074533: Joshua is twice as old as his brother. Four years ago he was four times as old. Find the ages now.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
J is 2x years old today
brother is x years old today
2x-4=4(x-4), the four years ago situation
2x-4=4x-16
2x=12
x=6
Joshua is 12 and his brother is 6.
Four years ago, Joshua was 8 and his brother was 2.