document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=215840>Question 215840</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help!  \r<BR>\n" );
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document.write( "A collection of 40 dimes and nickels is worth $2.90.  How many nickels are there?  (hint:  In your equation, use 290 cents instead of $2.90.)   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163045 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=163045\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d+n=40 <BR>\n" );
document.write( "d=40-n<BR>\n" );
document.write( "10d+5n=290<BR>\n" );
document.write( "10(40-n)+5n=290<BR>\n" );
document.write( "400-10n+5n=290<BR>\n" );
document.write( "-5n=290-400<BR>\n" );
document.write( "-5n=-110<BR>\n" );
document.write( "n=-110/-5<BR>\n" );
document.write( "n=22 nickles.<BR>\n" );
document.write( "40-22=18 dimes.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "10*18+5*22=290<BR>\n" );
document.write( "180+110=290<BR>\n" );
document.write( "290=290 </SPAN>\n" );
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