document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=912650>Question 912650</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A water tank is currently 33.3% full. If 3 more gallons are added the tank will be 50% full. Find the capacity of the tank. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553956 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=553956\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = full capacity of the tank (in gallons)\r<BR>\n" );
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document.write( "The tank is currently 33.3% full, so it is 0.333x gallons full.\r<BR>\n" );
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document.write( "Add 3 more gallons to get 0.333x + 3\r<BR>\n" );
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document.write( "Set this equal to 0.5x because this represents 50% full capacity\r<BR>\n" );
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document.write( "0.333x + 3 = 0.5x\r<BR>\n" );
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document.write( "3 = 0.5x - 0.333x\r<BR>\n" );
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document.write( "3 = 0.167x\r<BR>\n" );
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document.write( "0.167x = 3\r<BR>\n" );
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document.write( "x = 3/0.167\r<BR>\n" );
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document.write( "x = 17.9640718562874\r<BR>\n" );
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document.write( "If we round to the nearest gallon, we get 18 gallons. So the tank is roughly 18 gallons. This is an overestimate if you use 33.3% but an exact measurement if you use 33 1/3%\r<BR>\n" );
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document.write( "Either way, I'd say the full capacity of the tank is <font size=5 color=\"red\">18 gallons</font>.\r<BR>\n" );
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document.write( "Let me know if you need more help or if you need me to explain a step in more detail.<BR>\n" );
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document.write( "Thanks,\r<BR>\n" );
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document.write( "Jim  </SPAN>\n" );
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