document.write( "Question 1005763: Bill has twice as much money as Jim and half as much as Sue how much does each person have if together they have $120?\r
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document.write( "Need step by step answer.\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #621920 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call their amounts b, j and s. \n" ); document.write( "We have \n" ); document.write( "b + j + s = 120 \n" ); document.write( "and \n" ); document.write( "b = 2j or j = (1/2)b \n" ); document.write( "and \n" ); document.write( "b = (1/2)s or s = 2b \n" ); document.write( "Plug these into the first equation and get\r \n" ); document.write( "\n" ); document.write( "b + (1/2)b + 2b = 120 \n" ); document.write( "(7/2)b = 120 \n" ); document.write( "Now multiply by 2/7 and get \n" ); document.write( "b = 240/7 dollars \n" ); document.write( "j is half that or 120/7 dollars \n" ); document.write( "s is double that or 480/7 dollars \n" ); document.write( " \n" ); document.write( " |