A Puzzle A Day: 2026-04-04

A deep-space probe is approaching the exoplanet Xylos. Its onboard navigation system reports that it has completed 7/8ths of the total journey distance from its last major course correction point. If the probe continues at its current, constant speed, and has exactly 24 hours of travel time remaining until it reaches Xylos, what is the *total* estimated travel time from that last major course correction point to Xylos?
Correct: 192 hours
The probe has completed 7/8ths of the journey. This means 1 - 7/8ths = 1/8th of the journey distance remains. We are told that this remaining 1/8th of the journey will take 24 hours at its current, constant speed. If 1/8th of the total journey takes 24 hours, then the entire journey (8/8ths) will take 8 times that amount. Therefore, the total estimated travel time from the last major course correction point to Xylos is 8 * 24 hours = 192 hours.
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