document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946870>Question 946870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You have a total of 25 coins, all nickels ($0.05)  and quarters ($0.25).  The total value is $3.85.  Write and solve a system of equations to find the number of nickels, n, and quarters, q </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577639 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=577639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have a total of 25 coins, all nickels ($0.05) and quarters ($0.25). The total value is $3.85. Write and solve a system of equations to find the number of nickels, n, and quarters, q<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "n + q = 25 coins<BR>\n" );
document.write( "5n+25q = 385 cents<BR>\n" );
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document.write( "Modify for elimination::<BR>\n" );
document.write( "n + q = 25<BR>\n" );
document.write( "n + 5q = 77<BR>\n" );
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document.write( "Subtract and solve for \"q\"::<BR>\n" );
document.write( "4q = 52<BR>\n" );
document.write( "q = 13 (# of quarters)<BR>\n" );
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document.write( "n = 25-q<BR>\n" );
document.write( "n = 12 (# of nickels)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );