document.write( "Question 1209708: Hi
\n" ); document.write( "The average usage of water is 4000 litres per month. During the months of May June and July the usage is 4500 litres per month. What should the average usage of water be for the rest of the months so that the total consumption for the year is the same. \r
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Algebra.Com's Answer #849947 by ikleyn(52859)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "It can be easily solved in one line\r\n" );
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document.write( "    the average usage of water for the rest of the months = \"%284000%2A12-4500%2A3%29%2F9\" = 3833.33 liters per month.\r\n" );
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document.write( "The structure of this formula makes its meaning self-obvious,\r\n" );
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document.write( "so the formula is SELF-EXPLANATORY.\r\n" );
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