document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1203933>Question 1203933</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 40 pounds each, and the small boxes weigh 25 pounds each. There are 120 boxes in all. If the truck is carrying a total of 3750 pounds in boxes, how many of each type of box is it carrying? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #839858 by </B><A HREF=/tutors/aboutme.mpl?userid=AngelSchuck><B>AngelSchuck(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AngelSchuck><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=839858\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = number of large boxes<BR>\n" );
document.write( "120-x = number of small boxes\r<BR>\n" );
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document.write( "40x = weight of the large boxes only<BR>\n" );
document.write( "25(120-x) = weight of the small boxes only<BR>\n" );
document.write( "40x + 25(120-x) = total weight = 3750<BR>\n" );
document.write( "40x + 25(120-x) = 3750\r<BR>\n" );
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document.write( "Let's solve for x.<BR>\n" );
document.write( "40x + 25(120-x) = 3750<BR>\n" );
document.write( "40x + 3000-25x = 3750<BR>\n" );
document.write( "15x + 3000 = 3750<BR>\n" );
document.write( "15x = 3750-3000<BR>\n" );
document.write( "15x = 750<BR>\n" );
document.write( "x = 750/15<BR>\n" );
document.write( "x = 50<BR>\n" );
document.write( "120-x = 120-50 = 70\r<BR>\n" );
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document.write( "Answers:<BR>\n" );
document.write( "50 large boxes and 70 small boxes </SPAN>\n" );
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