A person travels a distance of 240 km, partly by train and the rest by bus. He takes \(3\frac{1}{2}\) hours if he travels 150 km by train and the rest by bus. If he travels 140 km by bus and the rest by train, he takes \(3\frac{2}{3}\) hours. What is the speed of the train?

A person travels a distance of 240 km, partly by train and the rest by

1.	A person travels a distance of 240 km, partly by train and the rest by bus. He takes \(3\frac{1}{2}\) hours if he travels 150 km by train and the rest by bus. If he travels 140 km by bus and the rest by train, he takes \(3\frac{2}{3}\) hours. What is the speed of the train?
A.	70 km/h
B.	75 km/h
C.	72 km/h
D.	80 km/h
Answer» C. 72 km/h

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A person travels a distance of 240 km, partly by train and the rest by bus. He takes \(3\frac{1}{2}\) hours if he travels 150 km by train and the rest by bus. If he travels 140 km by bus and the rest by train, he takes \(3\frac{2}{3}\) hours. What is the speed of the train?

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