document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=526211>Question 526211</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The costs incurred by a trucking company vary jointly with the number of trucks in service and the number of hours they are used. When 4 trucks are used for 6 hours each, the costs are $1800.\r<BR>\n" );
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document.write( "a)Find the costs of using 19 trucks, each for 12hours. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #348366 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=348366\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4 trucks used for 6 hours each is 24 truck hours.<BR>\n" );
document.write( "1800/24=75 dollars per truck hour<BR>\n" );
document.write( "6*4*75=1800<BR>\n" );
document.write( "19 trucks for 19 hours is 19*12*75 dollars<BR>\n" );
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