SOLUTION: Three years from now Jack will be three times as old as Jill Jack is ten years older than Jill how old is jack now?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Three years from now Jack will be three times as old as Jill Jack is ten years older than Jill how old is jack now?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1049892: Three years from now Jack will be three times as old as Jill Jack is ten years older than Jill how old is jack now?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be Jill's age NOW. Jack (x+10)
in 3 years...
(x+10) + 3 = 3(x+3)
x+10 + 3 = 3x+9
4 = 2x
x = 2, Jill's age now. Jack is 12
AND Checking
in 3 years...
15 = 3*5 CHECKS!