document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=240405>Question 240405</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a collection of 81 coins consists of nickels and dinmes only and has a value of $5.80 find the number of nickels and dimes in the collection </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #176126 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=176126\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D+N=81 OR D=81-N<BR>\n" );
document.write( ".10D+.05N=5.80<BR>\n" );
document.write( ".10(81-N)+.05N=5.80<BR>\n" );
document.write( "8.10-.10N+.05N=5.80<BR>\n" );
document.write( "-.05N=5.80-8.10<BR>\n" );
document.write( "-.05N=-2.30<BR>\n" );
document.write( "N=-2.30/-.05<BR>\n" );
document.write( "N=46 NICKELS.<BR>\n" );
document.write( "D=81-46=35 DIMES.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".10*35+.05*46=5.80<BR>\n" );
document.write( "3.50+2.30=5.80<BR>\n" );
document.write( "5.80=5.80<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );