document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=191945>Question 191945</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073533490/algebrahomeworkh>Elementary and Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 92. Recovering an investment. The manager at Cream of<BR>\n" );
document.write( "the Crop bought a load of watermelons for $200. She<BR>\n" );
document.write( "priced the melons so that she would make $1.50 profit on<BR>\n" );
document.write( "each melon. When all but 30 had been sold, the manager<BR>\n" );
document.write( "had recovered her initial investment. How many did she<BR>\n" );
document.write( "buy originally? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #144210 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=144210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >= the number of melons bought originally<BR>\n" );
document.write( "Given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2Fx ALIGN=MIDDLE  ALT=\"200%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >= Original cost per melon<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2Fx+%2B+1.5 ALIGN=MIDDLE  ALT=\"200%2Fx+%2B+1.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >= Selling price per melon<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+30 ALIGN=MIDDLE  ALT=\"x+-+30\"   DISABLED_style= \"max-width:90%; height:auto;\" >= number of melons sold<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+=+%28200%2Fx+%2B+1.5%29%2A%28x+-+30%29 ALIGN=MIDDLE  ALT=\"200+=+%28200%2Fx+%2B+1.5%29%2A%28x+-+30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+=+200+-+6000%2Fx+-+45+%2B+1.5x ALIGN=MIDDLE  ALT=\"200+=+200+-+6000%2Fx+-+45+%2B+1.5x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6000%2Fx+-+1.5x+%2B+45+=+0 ALIGN=MIDDLE  ALT=\"6000%2Fx+-+1.5x+%2B+45+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6000+-+1.5x%5E2+%2B+45x+=+0 ALIGN=MIDDLE  ALT=\"6000+-+1.5x%5E2+%2B+45x+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1.5x%5E2+%2B+45x+%2B+6000+=+0 ALIGN=MIDDLE  ALT=\"-1.5x%5E2+%2B+45x+%2B+6000+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-15x%5E2+%2B+450x+%2B+60000+=+0 ALIGN=MIDDLE  ALT=\"-15x%5E2+%2B+450x+%2B+60000+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x%5E2+%2B+30x+%2B+4000+=+0 ALIGN=MIDDLE  ALT=\"-x%5E2+%2B+30x+%2B+4000+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+-1 ALIGN=MIDDLE  ALT=\"a+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+30 ALIGN=MIDDLE  ALT=\"b+=+30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c+=+4000 ALIGN=MIDDLE  ALT=\"c+=+4000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28+30+%2B-+sqrt%28++30%5E2+-+4%2A%28-1%29%2A4000+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x+=+%28+30+%2B-+sqrt%28++30%5E2+-+4%2A%28-1%29%2A4000+%29%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2830+%2B-+sqrt%28+900+%2B+16000+%29%29%2F+2+ ALIGN=MIDDLE  ALT=\"x+=+%2830+%2B-+sqrt%28+900+%2B+16000+%29%29%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2830+%2B-+sqrt%28+16900+%29%29%2F+2+ ALIGN=MIDDLE  ALT=\"x+=+%2830+%2B-+sqrt%28+16900+%29%29%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2830+%2B-+130%29%2F2 ALIGN=MIDDLE  ALT=\"x+=+%2830+%2B-+130%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+160%2F2 ALIGN=MIDDLE  ALT=\"x+=+160%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+80 ALIGN=MIDDLE  ALT=\"x+=+80\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She bought 80 melons originally<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+=+%28200%2Fx+%2B+1.5%29%2A%28x+-+30%29 ALIGN=MIDDLE  ALT=\"200+=+%28200%2Fx+%2B+1.5%29%2A%28x+-+30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+=+%28200%2F80+%2B+1.5%29%2A%2880+-+30%29 ALIGN=MIDDLE  ALT=\"200+=+%28200%2F80+%2B+1.5%29%2A%2880+-+30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+=+%282.5+%2B+1.5%29%2A%2850%29 ALIGN=MIDDLE  ALT=\"200+=+%282.5+%2B+1.5%29%2A%2850%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+=+4%2A50 ALIGN=MIDDLE  ALT=\"200+=+4%2A50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+=+200 ALIGN=MIDDLE  ALT=\"200+=+200\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );