document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123813>Question 123813</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem Solving With Systems of A line: How to Solve<BR>\n" );
document.write( "Suppose you have 10 coins that total $0.85. Some of the coins are dimes, and others are nickels. How many of each coin is thers? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90826 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=90826\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> n+d=10 or n=10-d<BR>\n" );
document.write( ".05n+.10d=.85<BR>\n" );
document.write( ".05(10-d)+.10d=.85<BR>\n" );
document.write( ".5-.05d+.10d=.85<BR>\n" );
document.write( ".05d=.35<BR>\n" );
document.write( "d=.35/.05<BR>\n" );
document.write( "d=7 number of dimes.<BR>\n" );
document.write( "10-7=3 number of nickels.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( ".05*3+.10*7=.85<BR>\n" );
document.write( ".15+.70=.85<BR>\n" );
document.write( ".85=.85 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );