A train takes \(1\frac{1}{3}\) hours less for a journey of 528 km, if its speed is increased by \(5\frac{1}{2}\) km/hour from its usual speed. The usual speed of the train, in km/hour, is:

A train takes \(1\frac{1}{3}\) hours less for a journey of 528 km, if

1.	A train takes \(1\frac{1}{3}\) hours less for a journey of 528 km, if its speed is increased by \(5\frac{1}{2}\) km/hour from its usual speed. The usual speed of the train, in km/hour, is:
A.	44
B.	48
C.	55
D.	52
Answer» B. 48

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A train takes \(1\frac{1}{3}\) hours less for a journey of 528 km, if its speed is increased by \(5\frac{1}{2}\) km/hour from its usual speed. The usual speed of the train, in km/hour, is:

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