document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=988656>Question 988656</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sarah delivers flyer in the summer for extra money she charges $10 per hour ads-r-us delivery service charges $120 per season<BR>\n" );
document.write( "A) write an equation for the amount Sarah charges to deliver the flyers each season <BR>\n" );
document.write( "B) write an equation for how much ads-r-us charges<BR>\n" );
document.write( "C) what is the intersection point of the two linear equations<BR>\n" );
document.write( "D) what does th point of intersection represent </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #609164 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=609164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+ ALIGN=MIDDLE  ALT=\"+C+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = cost to deliver flyers<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h+ ALIGN=MIDDLE  ALT=\"+h+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = hours Sarah spends delivering flyers<BR>\n" );
document.write( "Sarah's equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+=+10h+ ALIGN=MIDDLE  ALT=\"+C+=+10h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Ads-r-us equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+=+120+ ALIGN=MIDDLE  ALT=\"+C+=+120+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Intersection:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10h+=+120+ ALIGN=MIDDLE  ALT=\"+10h+=+120+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h+=+12+ ALIGN=MIDDLE  ALT=\"+h+=+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "The intersection is the point ( h,C ) = ( 12, 120 )<BR>\n" );
document.write( "where the costs of the 2 services are equal<BR>\n" );
document.write( "( Sarah spends 12 hrs delivering )<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "Here are the plots of the equations:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+400%2C+400%2C+-2%2C+15%2C+-10%2C+160%2C+10x%2C+120+%29+ ALIGN=MIDDLE  ALT=\"+graph%28+400%2C+400%2C+-2%2C+15%2C+-10%2C+160%2C+10x%2C+120+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );