document.write( "Question 1006684: Marissa has $4.40 in quarters and dimes.bic she has 5 more quarters than dimes how many of each coins does she have \n" ); document.write( "
Algebra.Com's Answer #805349 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! d = number of dimes \n" ); document.write( "q = number of quarters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "10d + 25q = 440 \n" ); document.write( "q = d + 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute the second equation into the first.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "10d + 25q = 440 \n" ); document.write( "10d + 25(d + 5) = 440 \n" ); document.write( "10d + 25d + 125 = 440 \n" ); document.write( "35d = 315 \n" ); document.write( "d = 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Marissa has 9 dimes and 14 quarters. \n" ); document.write( " |