SOLUTION: Two times the mother's age is 8 more than six times her daughter's age. Ten years ago, the sum of their age was 44. What is the daughter's age?

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Question 1001442: Two times the mother's age is 8 more than six times her daughter's age. Ten years ago, the sum of their age was 44. What is the daughter's age?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
m mother, d daughter;
system%282m=8%2B6d%2C%28m-10%29%2B%28d-10%29=44%29

system%28m=4%2B3d%2Cm%2Bd-20=44%29

m%2Bd=64
-
4%2B3d%2Bd=64
4d=64-4
4d=60
d=60%2F4=30%2F2=15

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Mistake is now corrected.