document.write( "Question 637353: a father 34 years older than his son tony.
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document.write( "their total ages is 54 years
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document.write( "how old will to tony be in 25 years time \n" );
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Algebra.Com's Answer #401582 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a father 34 years older than his son tony. \n" ); document.write( "their total ages is 54 years \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "f + t = 54 years \n" ); document.write( "f = t + 34 \n" ); document.write( "------ \n" ); document.write( "how old will to tony be in 25 years time \n" ); document.write( "--- \n" ); document.write( "Substitute for \"f\" and solve for \"t\": \n" ); document.write( "t+34 + t = 54 \n" ); document.write( "2t = 20 \n" ); document.write( "t = 10 (Tony's age is now 10) \n" ); document.write( "In 25 years Tony will be 35. \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |