s(t) = 0.24²-t + 26 gallons per year (0 sts 7), where t is time in years since the start of 2007. Use a Riemann sum with n= 5 to estimate the total country's per capita sales of bottled water from the start of 2008 to the start of 2012. (Use a left Riemann sum to find your answer. Round your answer to the nearest gallon.) HINT [See Example 2.] gal

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