document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=683325>Question 683325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The freight elevator of a building can safely carry a load of at most 4000 lb.  A worker needs to move supplies in 50-lb boxes from the loading dock  to the fourth floor of the building. The worker weighs 160 lb. The cart she uses weights 95 lb. <BR>\n" );
document.write( "a. What is the greatest number of boxes she can move in one trip?<BR>\n" );
document.write( "b. The worker must deliver 310 boxes to the fourth floor. How many trips must she make? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #423532 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=423532\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The worker plus cart is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+160+%2B+95+=+255+ ALIGN=MIDDLE  ALT=\"+160+%2B+95+=+255+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4000+-+255+=+3745+ ALIGN=MIDDLE  ALT=\"+4000+-+255+=+3745+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She can carry, at most, in one trip <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3745+%2F+50+=+74.9+ ALIGN=MIDDLE  ALT=\"+3745+%2F+50+=+74.9+\"   DISABLED_style= \"max-width:90%; height:auto;\" > boxes<BR>\n" );
document.write( "She can't carry 9/10 of a box, so she can<BR>\n" );
document.write( "only move 74 boxes in one trip<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+310+%2F+74+=+4.19+ ALIGN=MIDDLE  ALT=\"+310+%2F+74+=+4.19+\"   DISABLED_style= \"max-width:90%; height:auto;\" > trips<BR>\n" );
document.write( "She can't make 19/100 of a trip, so she'll have to make<BR>\n" );
document.write( "one more whole trip.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4+%2B+1+=+5+ ALIGN=MIDDLE  ALT=\"+4+%2B+1+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She has to make 5 trips<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "In 5 trips, she can move at most <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5%2A74+=+370+ ALIGN=MIDDLE  ALT=\"+5%2A74+=+370+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  boxes<BR>\n" );
document.write( "In 4 trips, she moves <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4%2A74+=+296+ ALIGN=MIDDLE  ALT=\"+4%2A74+=+296+\"   DISABLED_style= \"max-width:90%; height:auto;\" > boxes<BR>\n" );
document.write( "After 4 trips, she needs to move <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+310+-+296+=+14+ ALIGN=MIDDLE  ALT=\"+310+-+296+=+14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "boxes, so she needs the 5th trip for the las 14 boxes\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );