document.write( "Question 369939: if you have $3.45 In quarters and dimes, and he has four more quarters than dimes how much does he have of each coin?
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Algebra.Com's Answer #263616 by robertb(5830)![]() ![]() You can put this solution on YOUR website! q = d + 4, \n" ); document.write( "0.25q+0.10d = 3.45.\r \n" ); document.write( "\n" ); document.write( "By direct substitution, 0.25(d+4) + 0.10d = 3.45, \n" ); document.write( "0.25d+1 + 0.10d = 3.45, \n" ); document.write( "0.35d = 2.45, \n" ); document.write( "d = 7, the number of dimes. \n" ); document.write( "q = 11, the number of quarters. \n" ); document.write( " |