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Math Help - Algebra in geometry problem...help much appreciated

  1. #1
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    Exclamation Algebra in geometry problem...help much appreciated...exam tomoz!!!

    using a constant flow of water, it usually takes three hours to fill the trough. However it now has a hole in it. The trough is now losing water at a rate of one litre every minute.

    How long will it take to fill the trough from empty.
    Give your answer in Hours, minutes, seconds.

    ( the volume of the trough is 2.646 M3 which is 2646 litres)

    thanks!!!!!

    Last edited by osmosis786; May 31st 2009 at 11:38 AM.
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  2. #2
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    filling trough postes by osmous686

    2646 liters divided by 180 minutes =afill rate of 14.7 lpm.a 1 liter pm leak means that the leak fill rate is 13.7 lpm. Repeat the first step to get the fill rare in minutes.If ques converttion wants hours

    bjh
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  3. #3
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    Thumbs up

    i thote so....... cheers. anyway
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