SOLUTION: Carlo is three times Erwin’s age then. In 3 years, he will be twice Erwin’s age then. Find their present ages. Show solution!

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Question 1187639: Carlo is three times Erwin’s age then. In 3 years, he will be twice Erwin’s age then. Find their present ages.
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Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
r, Erwin's age
3r, Carlo's age

3r%2B3=2%28r%2B3%29
-
3r%2B3=2r%2B6
highlight%28r=3%29

Erwin is 3.
Carlo is 9.