A fish tank weighs 11.5 pounds when it is 1/8 full of water and 34 pounds when it is 3/4 full.
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document.write( "How much does the empty tank 
weight?
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document.write( "This is a fraction word problem I am having trouble with. Please help. Thank you.
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document.write( "The difference 
of the tank volume minus 
of the tank volume weights 34 - 11.5 = 22.5 pounds.\r\n" );
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document.write( "Again: \r\n" );
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document.write( " 
- 
= 22.5 pounds, \r\n" );
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document.write( "Multiply everything by 8\r\n" );
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document.write( " 6V - 1V = 180\r\n" );
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document.write( " 5V = 180\r\n" );
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document.write( " V = 
= 36.\r\n" );
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document.write( "So, the weight of water, filled the full tank, is 36 pounds.\r\n" );
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document.write( "Hence, volume of water in the tank weights 
= 3*9 = 27 pounds.\r\n" );
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document.write( "It implies, that the emty tank weights 34 - 27 = 7 pounds. ANSWER\r\n" );
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document.write( "Solved.\r
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