Two identically powered trucks, one loaded and one unloaded, complete a 200 mile journey. The loaded truck has twice the GVW of the unloaded truck and completes the journey averaging 55 mph. The unloaded truck completes the journey averaging 60 mph. Which of the two trucks has done the most work?
A. equal
B. the unloaded truck
C. the loaded truck
D. more information is required
Answer: C
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