Ellen recently purchased a new hybrid car and wants to check her gas mileage. At an odometer setting of 651.1 mi, she fills the tank. At 1314.4 mi, she requires 16.1 gal to re-fill the tank. Assuming that the tank is filled to the same level both times, how is the gas mileage best expressed? a) 40 mi/gal. b) 41 mi/gal. c) 41.2 mi/gal. d) 41.20 mi/gal.

Question

Chemistry

Rayne Leblanc

19 July, 10:35

Ellen recently purchased a new hybrid car and wants to check her gas mileage. At an odometer setting of 651.1 mi, she fills the tank. At 1314.4 mi, she requires 16.1 gal to re-fill the tank. Assuming that the tank is filled to the same level both times, how is the gas mileage best expressed? a) 40 mi/gal. b) 41 mi/gal. c) 41.2 mi/gal. d) 41.20 mi/gal.

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Answers (1)

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Baron Villanueva · Answer 1

d) 41.20 mi/gal.

Explanation:

Initial odometer reading, D1 = 651.1 mi

Final odometer reading, D2 = 1314.4 mi

Volume of gas used = 16.1 gal

Gas mileage = (D2 - D1) / V

= (1314.4 - 651.1) / 16.1

= 41.2 mi/gal.