document.write( "Question 411502: I have a jar containing 88 coins, all of which are either quarters or nickles. the value is $13. how many of each type of coin do I have? \n" ); document.write( "
Algebra.Com's Answer #289266 by rfadrogane(214) You can put this solution on YOUR website! I have a jar containing 88 coins, all of which are either quarters or nickles. the value is $13. how many of each type of coin do I have? \n" ); document.write( "Sol'n: \n" ); document.write( "let q - the total # of quarters \n" ); document.write( "n - the total # of nickels\r \n" ); document.write( "\n" ); document.write( "q+n=88 ---(1) \n" ); document.write( "0.25q+0.05n=13 ---(2)\r \n" ); document.write( "\n" ); document.write( "solving two equations, either by elimination or by substitution \n" ); document.write( "q=43, n=45 \n" ); document.write( "thus, \n" ); document.write( "quarters are 43 pcs & nickels are 45 pcs. ---answer \n" ); document.write( " |