document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1169800>Question 1169800</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "John has 36 coins  comprising 20c 50c and $1 coins. He has twice as many $1 coins as 20c coins and the value of the 50c coins $4.40 more than the total value of the 20c coins.\r<BR>\n" );
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document.write( "How many $1 coins does he have.\r<BR>\n" );
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document.write( "Thanks \r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #794632 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</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=794632\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> VARIABLES<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "COIN   Quantity\r\n" );
document.write( "20c    x\r\n" );
document.write( "50c    y\r\n" );
document.write( "$1     u\r\n" );
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document.write( "Description made becomes this initial system:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x%2By%2Bu=36%2Cu%2Fx=2%2C0.5y=0.2x%2B4.4%29 ALIGN=MIDDLE  ALT=\"system%28x%2By%2Bu=36%2Cu%2Fx=2%2C0.5y=0.2x%2B4.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >----------the system to be solved.\r<BR>\n" );
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document.write( "Try to write a single equation in just the one variable, x.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x%2By%2Bu=36%2Cu=2x%2Cy=2x%2F5%2B44%2F5%29 ALIGN=MIDDLE  ALT=\"system%28x%2By%2Bu=36%2Cu=2x%2Cy=2x%2F5%2B44%2F5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "One equation in only x:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28x%2B%282x%2F5%2B44%2F5%29%2B2x=36%29 ALIGN=MIDDLE  ALT=\"highlight_green%28x%2B%282x%2F5%2B44%2F5%29%2B2x=36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Simplification and solution just for x:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=8%29 ALIGN=MIDDLE  ALT=\"highlight%28x=8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Use that to find u and y. </SPAN>\n" );
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