document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=44108>Question 44108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone explain this to me?\r<BR>\n" );
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document.write( "The cost in dollars of manufacturing (w) wing nuts is given by the expression 0.07w + 13.3. Find the cost when 375 wing nuts are made. What is the average cost to manufacture one wing nut? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #29061 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=29061\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Posted this one a few days ago, here goes again...<BR>\n" );
document.write( "Let us call the cost function<BR>\n" );
document.write( "c(w) = .07w + 13.3<BR>\n" );
document.write( "Now if the number of wing nuts, w, is 375, we substitute that in for w and get<BR>\n" );
document.write( "c(375) = .07(375) + 13.3<BR>\n" );
document.write( "c(375) = 26.25 + 13.3<BR>\n" );
document.write( "c(375) = $39.55<BR>\n" );
document.write( "To find the average cost, we divide that total cost by 375 wing nuts and get<BR>\n" );
document.write( "$39.55 / 375 = $.1055 or 10.55 cents each </SPAN>\n" );
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