document.write( "Question 993326: the total value of the dimes and quarters in a bank is $5.90. There are four more quarters than dimes. Show the equation to find the number of each type of coin in the bank. \n" ); document.write( "
Algebra.Com's Answer #807723 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 = 590 \n" ); document.write( "q = d + 4\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 + 25(d + 4) = 590 \n" ); document.write( "35d + 100 = 590 \n" ); document.write( "d = 14\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 14 dimes and 18 quarters. \n" ); document.write( " |