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)![]() ![]() ![]() 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? \n" ); document.write( "--- \n" ); document.write( "f = 5m \n" ); document.write( "---- \n" ); document.write( "(f-12) = 7(m-12) \n" ); document.write( "---- \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) \n" ); document.write( "----- \n" ); document.write( "I'm amazed. \n" ); document.write( "--------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |