document.write( "Question 743426: Father's age is six times his son's age. Nine years hence the age of father will be three times his son's age. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #452869 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Father's age is six times his son's age. Nine years hence the age of father will be three times his son's age. Find their present ages. \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "f = 6s \n" ); document.write( "f+9 = 3(s+9) \n" ); document.write( "----- \n" ); document.write( "Substitute for \"f\" and solve for \"s\": \n" ); document.write( "----- \n" ); document.write( "6s+9 = 3s + 27 \n" ); document.write( "---- \n" ); document.write( "3s = 18 \n" ); document.write( "---- \n" ); document.write( "s = 6 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " |