document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=306261>Question 306261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A dump truck is hauling debris at a mining site. on its first trip it hauls away 360 tons of rubble; on its second trip it hauls away 300 tons of rubble.if it hauls an average of 350 tons of rubble for all three trips, how much rubble did it haul on its last trip?\r<BR>\n" );
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document.write( "can you help me set this problem up. i set it up like this but it did not work out.<BR>\n" );
document.write( "         360+300+x/3=350\r<BR>\n" );
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document.write( "thanks, lisa </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219210 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=219210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A dump truck is hauling debris at a mining site. on its first trip it hauls away 360 tons of rubble; <BR>\n" );
document.write( "on its second trip it hauls away 300 tons of rubble.<BR>\n" );
document.write( "if it hauls an average of 350 tons of rubble for all three trips,<BR>\n" );
document.write( " how much rubble did it haul on its last trip?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Using your correct equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28360%2B300%2Bx%29%2F3 ALIGN=MIDDLE  ALT=\"%28360%2B300%2Bx%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 350<BR>\n" );
document.write( "Multiply by 3 to get rid of the denominator<BR>\n" );
document.write( "360 + 300 + x = 3(350)<BR>\n" );
document.write( "660 + x = 1050<BR>\n" );
document.write( "x = 1050 - 660<BR>\n" );
document.write( "x = 390    </SPAN>\n" );
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