SOLUTION: Here's another one for you.I promise this will be it for today...HA HA!! Erin's age is 3 times Warren's age. In 4 years she will be twice as old as he will be. How old is each n

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Here's another one for you.I promise this will be it for today...HA HA!! Erin's age is 3 times Warren's age. In 4 years she will be twice as old as he will be. How old is each n      Log On

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Question 120306: Here's another one for you.I promise this will be it for today...HA HA!!
Erin's age is 3 times Warren's age. In 4 years she will be twice as old as he will be. How old is each now?
Thanks for your help.
Joanne
Answer by scott8148(3755) About Me  (Show Source):
You can put this solution on YOUR website!
E=3W __ E+4=2(W+4)

substituting gives (3W)+4=2(W+4) __ 3W+4=2W+8 __ W=4