SOLUTION: A woman is older than her daugther by 25years. 3years ago, the ratio of their ages was 3:1. Find their present ages.

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Question 998117: A woman is older than her daugther by 25years. 3years ago, the ratio of their ages was 3:1. Find their present ages.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Call the woman's age now x. The daughter's age now is y. So we write
x = y + 25
x - 3 = 3(y - 3)
Substituting we get
y + 25 - 3 = 3(y - 3)
y + 22 = 3y - 9
31 = 2y
y = 15.5 years
x = 40.5 years