document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #312926 by stanbon(75887)\"\" \"About 
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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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\n" ); document.write( "f = 5m
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\n" ); document.write( "(f-12) = 7(m-12)
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\n" ); document.write( "Substitute for \"f\" and solve for \"m\":
\n" ); document.write( "(5m-12) = 7m-84
\n" ); document.write( "2m = 72
\n" ); document.write( "m = 36 (\"Me\"'s age now)
\n" ); document.write( "---
\n" ); document.write( "f = 5m = 180 yrs old (Father's age now)
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\n" ); document.write( "I'm amazed.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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