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QUESTION
Five commuter trains and four express buses depart from city a to city b in the morning, and three commuter trains and five express buses operate on the return trip in the evening. in how many ways ca
Five commuter trains and four express buses depart from city a to city b in the morning, and three commuter trains and five express buses operate on the return trip in the evening. in how many ways can a commuter from city a to city b complete a daily round trip via bus and/or train?
