Conversion of Units: A large school district has 300 school buses. If each school bus is used 3.0 hours each day, the average speed of the school buses is 15 mi/h, and the fuel economy of the buses is 10 mi/gal. How much does it cost to run these buses for 22 school days if gasoline costs $4.10 a gallon?
A. $60,000
B. $120,000
C. $180,000
D. $240,000
Answer: B
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