The rate of U.S. per capita sales of bottled water for the period 2007-2014 could be approximated by s(t)=0.25t^2-t+29 where t is time in years since the start of 2007. Use a definite integral to estimate the total U.S. per capita sales of bottle left water from the start of 2009 to the start of 2011.(Round your answer to the nearest gallon)

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