On a trip a man travels at the rate of 40 mph for the first 100 miles – McqOptions

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1.	On a trip a man travels at the rate of 40 mph for the first 100 miles and then at 50 mph for the next 100 miles. The average speed (in miles/hr) for the first 200 miles of this trip:
A.	22.2
B.	22.5
C.	44.4
D.	45
Answer» D. 45

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