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Bunuel
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Correct Answer: (A)

GIVEN:
- Target: Average Speed = Total Distance / Total Time

STATEMENTS EVALUATION:
Statement (1): Total Distance = 120 miles, Total Time = 3 hours.
- Average Speed = 120 / 3 = 40 mph (Unique Value) -> Sufficient.

Statement (2): Max speed = 50 mph, Min speed = 30 mph.
- Time spent at each speed is unknown -> Insufficient.

Conclusion: Answer Choice (A).
Bunuel
­John is driving from Town A to Town B. What is his average speed over the entire trip?

(1) He drives the entire 120 miles in 3 hours.

(2) His maximum speed during the trip was 50 miles per hour and his minimum speed was 30 miles per hour.


­
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