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:

1. A Option A: 22.2
2. B Option B: 22.5
3. C Option C: 44.4
4. D Option D: 45

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