SOLUTION: Peter is three times as old as he was six years ago.How old is peter?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Peter is three times as old as he was six years ago.How old is peter?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 639825: Peter is three times as old as he was six years ago.How old is peter?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
peter's age now =x
six years ago his age = x-6
x=3(x-6)
x=3x-18
-2x=-18
/-2
x=9
peter is 9 years now