document.write( "Question 1005644: Age Problem
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document.write( "1. Jeff is 10 yrs.old and his brother is 2 yrs.old . In how many yrs.will Jeff be twice as old as his brother? \n" );
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Algebra.Com's Answer #621856 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call x the number of years in the future. \n" ); document.write( "Then we have \n" ); document.write( "10 + x = 2(2 + x) \n" ); document.write( "10 + x = 4 + 2x \n" ); document.write( "Subtract 4 and subtract x from both sides and get \n" ); document.write( "x = 6 years \n" ); document.write( "(My name is Jeff, but my kid brother is 13 years younger than me!) \n" ); document.write( " |