SOLUTION: Sarah is 4 times her daughters age. in 4 years Sarah is only 3 times her age. what is Sarah's age when her daughter is half her age?

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Question 1119089: Sarah is 4 times her daughters age. in 4 years Sarah is only 3 times her age. what is Sarah's age when her daughter is half her age?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
system%28m=4d%2Cm%2B4=3%28d%2B4%29%29

4d%2B4=3d%2B12
d=12-4
d=8-----daughter now
-
m=32----mother now


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what is Sarah's age when her daughter is half her age?
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In how many more years, y?
%281%2F2%29%2832%2By%29=8%2By
32%2By=2%288%2By%29
y%2B32=2y%2B16
highlight_green%28y=16%29-------how many years from now
-
Sarah will be 32%2B16=highlight%2848%29.