document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=289014>Question 289014</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mike has 19 coins (nickels, dimes, and quarters) in his piggy bank with a total value of $2.35. There are two more dimes than nickels. How many of each type of cion does mike have?\r<BR>\n" );
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document.write( "Nickels=\r<BR>\n" );
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document.write( "Dimes=\r<BR>\n" );
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document.write( "Quarters= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #209447 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=209447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> N-number of nickels, worth 5 cents each<BR>\n" );
document.write( "D-number of dimes, worth 10 cents each<BR>\n" );
document.write( "Q-number of quarters, worth 25 cents each<BR>\n" );
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document.write( "\"Mike has 19 coins\"<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2BD%2BQ=19 ALIGN=MIDDLE  ALT=\"N%2BD%2BQ=19\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "\"a total value of $2.35 (235 cents)\"<BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5N%2B10D%2B25Q=235 ALIGN=MIDDLE  ALT=\"5N%2B10D%2B25Q=235\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "\"two more dimes than nickels\"<BR>\n" );
document.write( "3.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=N%2B2 ALIGN=MIDDLE  ALT=\"D=N%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute eq. 3 into 1 and 2. <BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2BD%2BQ=19 ALIGN=MIDDLE  ALT=\"N%2BD%2BQ=19\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2B%28N%2B2%29%2BQ=19 ALIGN=MIDDLE  ALT=\"N%2B%28N%2B2%29%2BQ=19\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We'll call this eq. 4.<BR>\n" );
document.write( "4.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2N%2BQ=17 ALIGN=MIDDLE  ALT=\"2N%2BQ=17\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5N%2B10D%2B25Q=235 ALIGN=MIDDLE  ALT=\"5N%2B10D%2B25Q=235\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5N%2B10%28N%2B2%29%2B25Q=235 ALIGN=MIDDLE  ALT=\"5N%2B10%28N%2B2%29%2B25Q=235\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5N%2B10N%2B20%2B25Q=235 ALIGN=MIDDLE  ALT=\"5N%2B10N%2B20%2B25Q=235\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We'll call this eq. 5.<BR>\n" );
document.write( "5.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15N%2B25Q=215 ALIGN=MIDDLE  ALT=\"15N%2B25Q=215\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now use eq. 4, to get Q in terms of N and substitute into eq. 5.<BR>\n" );
document.write( "4.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2N%2BQ=17 ALIGN=MIDDLE  ALT=\"2N%2BQ=17\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=17-2N ALIGN=MIDDLE  ALT=\"Q=17-2N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "5.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15N%2B25Q=215 ALIGN=MIDDLE  ALT=\"15N%2B25Q=215\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15N%2B25%2817-2N%29=215 ALIGN=MIDDLE  ALT=\"15N%2B25%2817-2N%29=215\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15N%2B425-50N=215 ALIGN=MIDDLE  ALT=\"15N%2B425-50N=215\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-35N=-210 ALIGN=MIDDLE  ALT=\"-35N=-210\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=6 ALIGN=MIDDLE  ALT=\"N=6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now work backwards,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=17-2N ALIGN=MIDDLE  ALT=\"Q=17-2N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=17-2%286%29=17-12=5 ALIGN=MIDDLE  ALT=\"Q=17-2%286%29=17-12=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And finally,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=N%2B2 ALIGN=MIDDLE  ALT=\"D=N%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=6%2B2=8 ALIGN=MIDDLE  ALT=\"D=6%2B2=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "6 nickels, 8 dimes, and 5 quarters.  </SPAN>\n" );
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