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Thanks to smaller and more fuel-efficient models, American carmakers have doubled their average fuel economy over a 13-year period, from 1974 to 1987.The graph depicted in the figure gives the average fuel consumption in miles per gallon (mpg) of domestic-built cars over the period under consideration ( corresponds to the beginning of 1974).Use the trapezoidal rule to estimate the average fuel consumption of the domestic car built during this period.Round the result to the nearest hundredth.
(Hint: Approximate the integral .)
Please enter the answer in decimal form.
__________ mpg
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