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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 #849940 by CPhill(1987) You can put this solution on YOUR website! Here's how to calculate the average water usage for the remaining months:\r \n" ); document.write( "\n" ); document.write( "1. **Calculate total water usage for May, June, and July:** \n" ); document.write( " 4500 liters/month * 3 months = 13500 liters\r \n" ); document.write( "\n" ); document.write( "2. **Calculate the expected total water usage for the year:** \n" ); document.write( " 4000 liters/month * 12 months = 48000 liters\r \n" ); document.write( "\n" ); document.write( "3. **Calculate the remaining water needed for the year:** \n" ); document.write( " 48000 liters - 13500 liters = 34500 liters\r \n" ); document.write( "\n" ); document.write( "4. **Calculate the number of remaining months:** \n" ); document.write( " 12 months - 3 months = 9 months\r \n" ); document.write( "\n" ); document.write( "5. **Calculate the average water usage for the remaining months:** \n" ); document.write( " 34500 liters / 9 months = 3833.33 liters/month (approximately)\r \n" ); document.write( "\n" ); document.write( "So, the average water usage for the rest of the months should be approximately 3833.33 liters per month to maintain the same total consumption for the year. \n" ); document.write( " \n" ); document.write( " |