SOLUTION: My father is 5 times older than me. 12 years ago, he was 7 times older than me. How old is my father, and how old am I?

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Question 455808: My father is 5 times older than me. 12 years ago, he was 7 times older than me. How old is my father, and how old am I?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
My father is 5 times older than me. 12 years ago, he was 7 times older than me. How old is my father, and how old am I?
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f = 5m
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(f-12) = 7(m-12)
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Substitute for "f" and solve for "m":
(5m-12) = 7m-84
2m = 72
m = 36 ("Me"'s age now)
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f = 5m = 180 yrs old (Father's age now)
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I'm amazed.
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Cheers,
Stan H.