document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=753100>Question 753100</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Stan has 15 coins worth $3.55. If the coins are all quarters and nickels, how many quarters and nickels does he have?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #458270 by </B><A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><B>tommyt3rd(5050)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><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=tommyt3rd><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=458270\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> number of coins: n+q=15\r<BR>\n" );
document.write( "\n" );
document.write( "amt. of money: 0.05n+0.25q=3.55\r<BR>\n" );
document.write( "\n" );
document.write( "for convenience we multiply by 20:\r<BR>\n" );
document.write( "\n" );
document.write( "20(0.05n+0.25q)=20(3.55)\r<BR>\n" );
document.write( "\n" );
document.write( "n+5q=71\r<BR>\n" );
document.write( "\n" );
document.write( "Now we subtract the coins equation from this one...\r<BR>\n" );
document.write( "\n" );
document.write( "(n+5q)-(n+q)=71-15\r<BR>\n" );
document.write( "\n" );
document.write( "4q=56<BR>\n" );
document.write( "q=14\r<BR>\n" );
document.write( "\n" );
document.write( "therefore there is 1 nickel\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( ":)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );