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1. If a man swims 4 miters upstream at 1 mph and back downstream to the same point at 4 mph, what is his average speed?
- A. 0.8 mph
- B. 0.8 mph
- C. 0.8 mph
- D. 0.8 mph
Answer: Option B
Explanation:
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1. If a man swims 4 miters upstream at 1 mph and back downstream to the same point at 4 mph, what is his average speed?
Answer: Option B
Explanation:
Post your comments here: