document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=629684>Question 629684</A>: <I><SPAN STYLE=\"word-break: break-all;\"> David's gas tank is 1/6 full. After he buys 7 gallons of gas, it is 1/2 full. How many gallons can David's tank hold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #396429 by </B><A HREF=/tutors/aboutme.mpl?userid=55305><B>55305(86)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=55305><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=396429\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Lets start with what fraction of the tank he filled with gas. So 1/2-1/6= 3/6-1/6= 2/6= 1/3    So he bought 1/3 as many gallons as the tank holds, which is 7 gallons. So that means his tank must hold 21 gallons. </SPAN>\n" );
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