document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=256226>Question 256226</A>: <I><SPAN STYLE=\"word-break: break-all;\"> with gas selling for $1.90 per gallon, the cost of filling your tank varies directly with the amount of gas that you pump.  Find the equation representing the cost C related to the gallons of gas G that one would need.  what is the constant of variation here? why is this a different constant in different areas of our country and across the world? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #188388 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=188388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C =G*p<BR>\n" );
document.write( "C=1.90G<BR>\n" );
document.write( "1.90 is the constant<BR>\n" );
document.write( "Economists would say supply and demand control the constant. But in the end it is the oil producing countries and companies and greedy oil companies that control supply.<BR>\n" );
document.write( "They decide how much oil to pump from the ground and how much to refine and how much to deliver. </SPAN>\n" );
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