1 . A truck driver must complete a 180-mile trip in 4 hours. If his average speed is 50 miles per hour for the first 3 hours, then how fast must he travel for the final hour ?
- A. 25
- B. 35
- C. 40
- D. 30
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1 . A truck driver must complete a 180-mile trip in 4 hours. If his average speed is 50 miles per hour for the first 3 hours, then how fast must he travel for the final hour ?
View Answer | Discuss in Forum | Workspace | Report |