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.
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Question 246677: 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 richwmiller(17219) (Show Source):
You can put this solution on YOUR website! Anton's present age=a
Nathalie's present age=n
a-2=3*(n-2)
a-2=3n-6
add 2 to both sides
a=3n-4
a+4=2*(n+4)
substitute 3n-4 for a
(3n-4)+4=2*(n+4)
