document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=179082>Question 179082</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A delivery company's charge for an overnight package weighing in excess of one pound is given by the formula c=2.83w + 15.51, where w is the weight of package in pounds.\r<BR>\n" );
document.write( "\n" );
document.write( "A 5 lb package cost 29.66<BR>\n" );
document.write( "A 12 lb package cost 49.47<BR>\n" );
document.write( "A 20 lb package cost 72.11 \r<BR>\n" );
document.write( "\n" );
document.write( "A package that cost 164.07 to mail weight about ______ lbs. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134044 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=134044\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A delivery company's charge for an overnight package weighing in excess of one pound is given by the formula c=2.83w + 15.51, where w is the weight of package in pounds.<BR>\n" );
document.write( "A 5 lb package cost 29.66<BR>\n" );
document.write( "A 12 lb package cost 49.47<BR>\n" );
document.write( "A 20 lb package cost 72.11<BR>\n" );
document.write( ":<BR>\n" );
document.write( "A package that cost 164.07 to mail weight about ______ lbs.\r<BR>\n" );
document.write( "\n" );
document.write( "substitute 164.07 for c in the equation: 2.83w + 15.51 = c; solve for w<BR>\n" );
document.write( ":<BR>\n" );
document.write( "2.83w + 15.51 = 164.07<BR>\n" );
document.write( ":<BR>\n" );
document.write( "2.83w = 164.07 - 15.51<BR>\n" );
document.write( ":<BR>\n" );
document.write( "2.83w = 148.56<BR>\n" );
document.write( "w = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=148.56%2F2.83 ALIGN=MIDDLE  ALT=\"148.56%2F2.83\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "w = 52.5 lbs<BR>\n" );
document.write( ";<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check solution by putting 52.5 for w in the original equation:<BR>\n" );
document.write( "c = 2.83(52.5) + 15.51 <BR>\n" );
document.write( "c = 148.58 + 15.51<BR>\n" );
document.write( "c = 164.09,  we round off the weight hence a 2 cent difference\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );