document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=828202>Question 828202</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A girl bought mangoes at P7.50 each. There were two types of mangoes: good ones and not so good ones. She sold the good ones at P7.90 each and the not-so-good ones at P7.70 each. If she earned P34, how many mangoes did she buy? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #499142 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=499142\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x  is how many good mangos<BR>\n" );
document.write( "y  is how many not so good..\r<BR>\n" );
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document.write( "Girl spent <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2By%29%2A7.5 ALIGN=MIDDLE  ALT=\"%28x%2By%29%2A7.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > P of money for the mangos.<BR>\n" );
document.write( "Her revenue was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.90x%2B7.70y ALIGN=MIDDLE  ALT=\"7.90x%2B7.70y\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Her earning were the profit:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.9x%2B7.7y-%28x%2By%29%2A7.5=34 ALIGN=MIDDLE  ALT=\"7.9x%2B7.7y-%28x%2By%29%2A7.5=34\"   DISABLED_style= \"max-width:90%; height:auto;\" > P\r<BR>\n" );
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document.write( "You do not have enough described information to find x or y or their sum.  The problem description only allows for one equation in two unknown variables.\r<BR>\n" );
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document.write( "-----Pushing a little further------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.9x-7.5x%2B7.7y-7.5y=34 ALIGN=MIDDLE  ALT=\"7.9x-7.5x%2B7.7y-7.5y=34\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.4x%2B0.2y=34 ALIGN=MIDDLE  ALT=\"0.4x%2B0.2y=34\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.2x%2B0.1y=17 ALIGN=MIDDLE  ALT=\"0.2x%2B0.1y=17\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2By=170 ALIGN=MIDDLE  ALT=\"2x%2By=170\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=-2x%2B170%29 ALIGN=MIDDLE  ALT=\"highlight%28y=-2x%2B170%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You can accept any or all positive whole number ordered pairs for x and y.<BR>\n" );
document.write( "This may be anything from 85 good mangos and 0 bad mangos; to 0 good mangos and 170 bad mangos. </SPAN>\n" );
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