document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=775668>Question 775668</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I am having troubles with this word problem. I'm not entirely sure if I set the equation right. I don't think so because the equation I did. I have no clue on how to solve it. \r<BR>\n" );
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document.write( "The question goes as \" A 10-ton truck and a 12-ton truck deliver sand to a concrete mixing plant. If the smaller truck makes 3 trips more than the larger truck, how many trips does each truck make to deliver 140 tons of sand?\"\r<BR>\n" );
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document.write( "This is the equation I made: Let A= 10 ton trucks trips      Let B= 12 ton trucks trip<BR>\n" );
document.write( "10A+12B=140<BR>\n" );
document.write( "A-3=B\r<BR>\n" );
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document.write( "I did a system of equations. I'm not sure if I set the equation correctly. And I am not sure how to solve it from this point. If anyone could help me I would appreciate it! Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #473058 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=473058\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Congrats! You have set the equations correctly.\r<BR>\n" );
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document.write( "Now it comes down to how we can solve them.\r<BR>\n" );
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document.write( "From the second equation you can express B in terms of A as: B=A-3.<BR>\n" );
document.write( "Plug this value of B in first equation.<BR>\n" );
document.write( "Then it becomes: 10A + 12(A-3) = 140\r<BR>\n" );
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document.write( "Now you have an equation with one variable and I am sure that you can solve it yourself. The answer is A = 8, B = 5.\r<BR>\n" );
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document.write( "If you need guidance regarding solving of simultaneous equations in two or more unknowns then you can contact me and I can teach you the different techniques of solving these equations and tips and tricks useful for quick solutions.\r<BR>\n" );
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document.write( "Cheers!!! </SPAN>\n" );
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