Question 981446
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Car A:
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{{{(27mi/gal)(1.60934km/1mi)(1gal/(3.78541Liter))}}}=
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{{{(43.4511km/3.7854Liter)=11.48km/liter}}}
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Car B:
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{{{(9km/Liter)(0.621371mi/1km)(1Liter/0.264172gal)}}}=
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{{{5.59233mi/0.264172gal=21.17mi/gal}}}
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Car A has better fuel economy.