A car averages 26.5 miles per gallon of gasoline.How many liters of gasoline will be needed for a trip of 621 km? Some conversion factors that may be helpful are the following: 1 qt = 0.946 L 1 mile = 1.609 km 4 qt = 1 gal (exact)1 ft = 12 in (exact)

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First, convert the trip distance from kilometers to miles: 621 km * (1 mile / 1.609 km) = 385.8 miles. Then, calculate the gallons needed: 385.8 miles / 26.5 miles/gallon = 14.56 gallons. Finally, convert gallons to liters: 14.56 gallons * (4 qt / 1 gallon) * (0.946 L / 1 qt) = 54.98 L, which is approximately 6 × 10^1 L.

A Car Averages 26