document.write( "Question 168192: rick has 20 coins either quarters or nickels if the value of his coins is 2.60 how many nickles does he have \n" ); document.write( "
Algebra.Com's Answer #123989 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Q+N=20 OR Q=20-N \n" ); document.write( ".25(20-N)+.05N=2.60 \n" ); document.write( "5-.25N+.05N=2.60 \n" ); document.write( "-.2N=2.60-5 \n" ); document.write( "-.2N=-2.40 \n" ); document.write( "N=-2.40/-.2 \n" ); document.write( "N=12 NICKELS. \n" ); document.write( "Q+12=20 \n" ); document.write( "Q=20-12 \n" ); document.write( "Q=8 QUARTERS. \n" ); document.write( "pROOF: \n" ); document.write( ".25*8+.05*12=2.60 \n" ); document.write( "2+.60=2.60 \n" ); document.write( "2.60=2.60 \n" ); document.write( " |