SOLUTION: Four years ago a woman's age was four times that of her daughter.If the different between their age is now 30years,How old were they 4years ago?

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Question 935319: Four years ago a woman's age was four times that of her daughter.If the different between their age is now 30years,How old were they 4years ago?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
w and d, their ages now.

highlight_green%28system%28w-4=4%28d-4%29%2Cw-d=30%29%29, the two sentences of the description transcribed into equations. Simplify and solve the system of equations. Evaluate w-4 and d-4 because the question asks for these.