document.write( "Question 1172088: Hi
\n" );
document.write( "A B C D share a sum of money.A has half of the total amount of money that B C D have. B has 1/3 of the total amount of money that A C D have. C has 1/7 of the total amount of money that A B D have.
\n" );
document.write( "What fraction of the total sum of money does D have. D has $84. What is the total money shared by A B C D. Thank you.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #797047 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 2a=b+c+84 \n" ); document.write( "3b=a+c+84 \n" ); document.write( "7c=a+b+84 \n" ); document.write( "------------ \n" ); document.write( "subtract 2 from 1 \n" ); document.write( "2a-3b=b-a \n" ); document.write( "3a=4b \n" ); document.write( "-------------- \n" ); document.write( "(8/3)b=b+c+84 substituting \n" ); document.write( "(5/3)b=c+84; c=(5/3)b-84 \n" ); document.write( "------------ \n" ); document.write( "7c=(4/3)b+b+84 \n" ); document.write( "(35/3)b-588=(7/3)b+84 \n" ); document.write( "(28/3)b=672 \n" ); document.write( "b=72; c=36, a=96 \n" ); document.write( "($96, $72, $36, $84) \n" ); document.write( "$288 total.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |