SOLUTION: john is 6 years older than his brother.he will be twice as old as his brother in 4 years.how old john now?

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Question 809541: john is 6 years older than his brother.he will be twice as old as his brother in 4 years.how old john now?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
j=b+6,
j+4=2*(b+4)
b = 2, j = 8