document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1009646>Question 1009646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have 20 coins consisting of nickels and dimes. Their total value is $1.30. How many are nickels and how many are dimes. I need two equations so I can do systems of equations </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #625106 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=625106\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "N=number of nickels; D=number of dimes<BR>\n" );
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document.write( "N+D=20<BR>\n" );
document.write( "N=20-D<BR>\n" );
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document.write( "$0.05N+$0.10D=$1.30 Substitute for N from above.<BR>\n" );
document.write( "$0.05(20-D)+$0.10D=$1.30<BR>\n" );
document.write( "$1.00-$0.05D+$0.10D=$1.30<BR>\n" );
document.write( "$0.05D=$0.30<BR>\n" );
document.write( "D=6<BR>\n" );
document.write( "ANSWER 1: There are 6 dimes.<BR>\n" );
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document.write( "N=20-D=20-6=14<BR>\n" );
document.write( "ANSWER 2: There are 14 nickels.<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "$0.05N+$0.10D=$1.30<BR>\n" );
document.write( "$0.05(14)+$0.10(6)=$1.30<BR>\n" );
document.write( "$0.70+$0.60=$1.30<BR>\n" );
document.write( "$1.30=$1.30<BR>\n" );
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document.write( " </SPAN>\n" );
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