SOLUTION: Mrs. Childs is forty-three years old and her son Darren is thirteen. How many years ago was Mrs. Childs seven times as old as Darren?

Question 815431: Mrs. Childs is forty-three years old and her son Darren is thirteen. How many years ago was Mrs. Childs seven times as old as Darren?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
c = 43
d = 13
(c - y) = 7(d - y)
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(c - y) = 7(d - y)
c - y = 7d - 7y
43 - y = 7(13) - 7y
43 - y = 91 - 7y
6y = 48
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Answer:
y = 8
8 years ago
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