document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=560426>Question 560426</A>: <I><SPAN STYLE=\"word-break: break-all;\">                           if you have a total of 21 coins, all nickels and dimes. The total value is $1.70. How many nickels and how many dimes do you have?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #363867 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=363867\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  if you have a total of 21 coins, all nickels and dimes. The total value is $1.70. How many nickels and how many dimes do you have?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "n + d = 21<BR>\n" );
document.write( "5n + 10d = 170 cents<BR>\n" );
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document.write( "Multiply thru the 1st equation by 5:<BR>\n" );
document.write( "5n + 5d = 5*21<BR>\n" );
document.write( "5n +10d = 170<BR>\n" );
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document.write( "Subtract and solve for \"d\":<BR>\n" );
document.write( "5d = 65<BR>\n" );
document.write( "d = 13 (# of dimes)<BR>\n" );
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document.write( "n+d = 21<BR>\n" );
document.write( "n + 13 = 21<BR>\n" );
document.write( "n = 8 (# of nickels)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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