SOLUTION: The ratio of ages of two sisters is 4:3. The elder sister is 3years older than the younger one. How old is the younger sister

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Question 1086158: The ratio of ages of two sisters is 4:3. The elder sister is 3years older than the younger one. How old is the younger sister
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
9 years old.

I solved it mentally.