document.write( "Question 801387: Frank has 6 times as many dimes as he has quarters. He has a total of 21 coins in his piggy bank totaling $2.55. How many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #483543 by mananth(16946) You can put this solution on YOUR website! \n" ); document.write( "let number of quarters be x \n" ); document.write( "dimes = 6x \n" ); document.write( "Total value of quarters + total value of dimes = 255 \n" ); document.write( "25x+6*10x=255\r \n" ); document.write( "\n" ); document.write( "25x+60x=255 \n" ); document.write( "85x=255 \n" ); document.write( "/85 \n" ); document.write( "x=3 Number of quarters\r \n" ); document.write( "\n" ); document.write( "dimes = 21-x\r \n" ); document.write( "\n" ); document.write( "21-3\r \n" ); document.write( "\n" ); document.write( "=18 dimes\r \n" ); document.write( "\n" ); document.write( "Check\r \n" ); document.write( "\n" ); document.write( "18*10+25*3\r \n" ); document.write( "\n" ); document.write( "180+75\r \n" ); document.write( "\n" ); document.write( "=255\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |