document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=336655>Question 336655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A farmer wishes to make a gravel driveway. The mixture needed is two parts pea gravel that cost $9.00 per ton and one part sand that cost $8.00 per ton. The gravel company gave a bid of $390. How much gravel and sand are they going to deliver. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #241548 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=241548\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let s = the number of tons of sand<BR>\n" );
document.write( "Let 2s = the number of tons of pea gravel\r<BR>\n" );
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document.write( "9 (2s) + 8s = 390\r<BR>\n" );
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document.write( "18 s +8s = 390\r<BR>\n" );
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document.write( "26s = 390\r<BR>\n" );
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document.write( "s = 15.\r<BR>\n" );
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document.write( "So, there are 15 tons of sand and 30 tons of gravel.<BR>\n" );
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