SOLUTION: Two years ago, Anton was three times as old as his sister, Nathalie. In 4 years, he will be only twice his sister's age. Find their present ages.

Question 567922: Two years ago, Anton was three times as old as his sister, Nathalie. In 4 years, he will be only twice his sister's age. Find their present ages.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
2 years gao Nathalie ---x years
Anton 3x
After 4 years
Nathalie will be x+6
Anton 3x+6
3x+6 =2(x+6)
3x+6 =2x+12
3x-2x=12-6
x=6
2 years ago Nathalie was 6 years
now she is 8 years
Anton was 3x years = 3*6 = 18.
so he wil be 20 years now
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