The United States is about the only country in the world thatstill uses the units feet, miles, and gallons. You might see somecar specifications in a magazine that give fuel efficiency as 7.2km per kilogram of fuel. A mile is 1.609 km, a gallon is 3.785liters, and a liter of gasoline has a mass of 0.729 kg.... What isthe car’s fuel efficiency in miles per gallon?

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Given that fuel efficiency of car 59 kmkg Now we know that 1 ... View the full answer