document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1206746>Question 1206746</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "4/7 of a rectangular tank with a base area of 2000 cm^2 was filled with water. Another 6.9 litres of water were needed to fill up the tank until it was 9/10 full.<BR>\n" );
document.write( "What was the height of the tank<BR>\n" );
document.write( "What is the final volume of water in 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 #844368 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=844368\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4/7 of a rectangular tank with a base area of 2000 cm^2 was filled with water. Another 6.9 litres of water were needed to fill up the tank until it was 9/10 full.<BR>\n" );
document.write( "What was the height of the tank<BR>\n" );
document.write( "What is the final volume of water in the tank \r<BR>\n" );
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document.write( "Let height of tank be h\r<BR>\n" );
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document.write( "Volume of tank = 2000h (area * h)\r<BR>\n" );
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document.write( "Volume of water in tank = 4/7 * 2000h\r<BR>\n" );
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document.write( "6.9 litres was added = 6900 cm^3\r<BR>\n" );
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document.write( "After adding 6.9 litres 9/10 of tank is full\r<BR>\n" );
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document.write( "Relation\r<BR>\n" );
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document.write( "4/7 * 2000h +6900 =  9/10 * 2000h\r<BR>\n" );
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document.write( "9/10 * 2000h-4/7 * 2000h= 6900\r<BR>\n" );
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document.write( "Rearrange \r<BR>\n" );
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document.write( "2000h (9/10- 4/7)= 6900\r<BR>\n" );
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document.write( "2000h*23/70 = 6900\r<BR>\n" );
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document.write( "Rearrange \r<BR>\n" );
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document.write( "(70*6900)/(23*2000)=h\r<BR>\n" );
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document.write( "=10.5 cm\r<BR>\n" );
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document.write( "Final volume of water \r<BR>\n" );
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document.write( "= (9/10)* 2000*10.5 =18900 cm^3\r<BR>\n" );
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document.write( "Convert to litres  if required\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );