SOLUTION: leo has three times as old as louie. three years ago, leo was four times as old as louie. what is the sum of their ages?

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Question 1086609: leo has three times as old as louie. three years ago, leo was four times as old as louie. what is the sum of their ages?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x, Leo
y, Louie

system%28x=3y%2Cx-3=4%28y-3%29%29
-
3y-3=4%28y-3%29
3y-3=4y-12
-3%2B12=y
system%28y=9%2Cx=27%2Chighlight%28x%2By=30%29%29

Answer by MathTherapy(10553) About Me  (Show Source):
You can put this solution on YOUR website!

leo has three times as old as louie. three years ago, leo was four times as old as louie. what is the sum of their ages?
The sum of their ages is: highlight_green%2836%29