document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40522>Question 40522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The selling price of x number of a certain stereo can be modeled by the function R(x)=150x. The total cost of making x stereo is C(x)=90x-0.02x^2. What is the percent markup for 60 stereos?\r<BR>\n" );
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document.write( "I don't know where to start? Please explain. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25933 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=25933\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The percent markup would be <BR>\n" );
document.write( "[(selling price) - (cost to make) / (cost to make)] x 100<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28150x+-+%2890x+-+.02x%5E2%29%29+%2F+%2890x+-+.02x%5E2%29 ALIGN=MIDDLE  ALT=\"%28150x+-+%2890x+-+.02x%5E2%29%29+%2F+%2890x+-+.02x%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > =<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28150x+%2F+%2890x+-+.02x%5E2%29%29+-+1 ALIGN=MIDDLE  ALT=\"%28150x+%2F+%2890x+-+.02x%5E2%29%29+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > =<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28150+%2F+%2890+-+.02x%29%29+-+1 ALIGN=MIDDLE  ALT=\"%28150+%2F+%2890+-+.02x%29%29+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "find percent markup for x = 60<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28150+%2F+%2890+-+1.2%29%29+-+1 ALIGN=MIDDLE  ALT=\"%28150+%2F+%2890+-+1.2%29%29+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28150%2F88.8%29+-+1 ALIGN=MIDDLE  ALT=\"%28150%2F88.8%29+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.689+-+1 ALIGN=MIDDLE  ALT=\"1.689+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .689<BR>\n" );
document.write( "percent markup is 100 x .689, or about 69% </SPAN>\n" );
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