Henry Ernest Dudeney/Puzzles and Curious Problems/76 - How Far Was It
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Puzzles and Curious Problems by Henry Ernest Dudeney: $76$
- How Far Was It?
- "The steamer," remarked one of our officers home from the East, "was able to go twenty miles an hour down-stream,
- but could only do fifteen miles an hour upstream.
- So, of course, she took five hours longer in coming up than in going down."
- One could not resist working out mentally the distance from point to point.
- What was it?
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Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Locomotion and Speed Puzzles: $76$. -- How Far Was It?
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Speed & Distance Puzzles: $90$. How Far Was It?