document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1115355>Question 1115355</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joe has a collection of 25 coins, dimes and nickels worth total of $1.80. Find number of dimes and number of nickels he has. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #730223 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=730223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d+n = 25 subtract dimes:<BR>\n" );
document.write( "n = 25-d<BR>\n" );
document.write( "0.10d+0.05n = 1.80<BR>\n" );
document.write( "substitute for n:<BR>\n" );
document.write( "0.10d+0.05(25-d) = 1.80<BR>\n" );
document.write( "0.10d+1.25-0.05d = 1.80<BR>\n" );
document.write( "0.05d = 0.55<BR>\n" );
document.write( "d = 0.55/0.05 = 11<BR>\n" );
document.write( "Joe has 11 dimes<BR>\n" );
document.write( "Joe has 25-11 = 14 nickels<BR>\n" );
document.write( "---------------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "11 dimes = 11(0.10) = 1.10<BR>\n" );
document.write( "14 nickels = 14(0.05) = 0.70<BR>\n" );
document.write( "and 1.10 + 0.70 = 1.80 Correct </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );