document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1150100>Question 1150100</A>: <I><SPAN STYLE=\"word-break: break-all;\"> David has a total of 4.10 pesos in 5 cent, 10 cent and 25 cent coins. He has twice as many 5 cent coins and two more 25 cent coins than 10 cent coins. How many 10 cent coins does he have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #771457 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=771457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%285n%2B10d%2B25q=410%2Cn%2Fd=2%2Cq-d=2%29 ALIGN=MIDDLE  ALT=\"system%285n%2B10d%2B25q=410%2Cn%2Fd=2%2Cq-d=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28n%2B2d%2B5q=82%2Cn=2d%2Cq=d%2B2%29 ALIGN=MIDDLE  ALT=\"system%28n%2B2d%2B5q=82%2Cn=2d%2Cq=d%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Question asks for d.<BR>\n" );
document.write( "Simple substitution gives  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2d%2B2d%2B5%2A%28d%2B2%29=82 ALIGN=MIDDLE  ALT=\"2d%2B2d%2B5%2A%28d%2B2%29=82\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Solving for d should give a whole value.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9d%2B10=82 ALIGN=MIDDLE  ALT=\"9d%2B10=82\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9d=72 ALIGN=MIDDLE  ALT=\"9d=72\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=72%2F9 ALIGN=MIDDLE  ALT=\"d=72%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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