document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=193336>Question 193336</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Diane has $1.70 in dimes and nickels. She has a total of 22 coins. How many of each kind does she have?\r<BR>\n" );
document.write( "\n" );
document.write( "Nickels \r<BR>\n" );
document.write( "\n" );
document.write( "Dimes </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #145137 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=145137\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let d and n be the number of dimes and nickels respectively<BR>\n" );
document.write( ":<BR>\n" );
document.write( "d+n=22..........eq 1<BR>\n" );
document.write( ".1d+.05n=1.70...eq 2<BR>\n" );
document.write( ":<BR>\n" );
document.write( "rewrite eq 1 to d=22-n and plug this value into eq 2<BR>\n" );
document.write( ":<BR>\n" );
document.write( ".1(22-n)+.05n=1.7<BR>\n" );
document.write( ":<BR>\n" );
document.write( "2.2-.1n-+.05n=1.7<BR>\n" );
document.write( ":<BR>\n" );
document.write( "-.05n=-.5<BR>\n" );
document.write( ":<BR>\n" );
document.write( "n=10 nickels<BR>\n" );
document.write( ":<BR>\n" );
document.write( "d=22-n=22-10=12 dimes </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );