document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026972>Question 1026972</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If I have 78 coins of all nickel and dimes and the value is $6.20. How many nickels and how many dimes do I have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642281 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642281\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "I have 78 coins of all nickel and dimes.<BR>\n" );
document.write( "Make nickels = x<BR>\n" );
document.write( "Make dimes = y<BR>\n" );
document.write( "x + y = 78.......(1)<BR>\n" );
document.write( "the value is $6.20<BR>\n" );
document.write( "5x + 10y = 620...(2)<BR>\n" );
document.write( ".........<BR>\n" );
document.write( "x + y = 78.......(1)<BR>\n" );
document.write( "5x + 10y = 620...(2)<BR>\n" );
document.write( "Multiply Eq(1) by 10<BR>\n" );
document.write( "10x + 10y = 780...(1)<BR>\n" );
document.write( "5x + 10y = 620....(2)<BR>\n" );
document.write( "Subtract Eq(2) from Eq(1)<BR>\n" );
document.write( "5x = 160<BR>\n" );
document.write( "x = 32<BR>\n" );
document.write( "Substitute x = 32 into Eq(1)<BR>\n" );
document.write( "x + y = 78<BR>\n" );
document.write( "32 + y = 78<BR>\n" );
document.write( "y = 78 - 32<BR>\n" );
document.write( "y = 46<BR>\n" );
document.write( "You have 32 Nickels<BR>\n" );
document.write( "and 46 Dimes.<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );