- Tom T
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The End
‘The conscious is cancerous if allowed to linger’
"Even if you're on the right track, you'll get run over if you just sit there."
Posted by: dazarobbo
Three taxi drivers set out to drive across the city. Each driver has enough supplies to last for 8 days; that is the most each taxi can hold. They drive off due east and keep a straight-line course. After a certain number of days, one driver goes back, handing over all his remaining supplies to the other two drivers apart from exactly what he needs for the journey back. A second driver later does likewise. The third driver just makes it to the other side of the city with no supplies to spare. How wide is the city (in days' drive)?As long as you understand the journey requires 3 people, but only one can make it, and that all the men are working together -taxi drivers, really- in knowledge of this (optimising their use of supplies), then this question isn't too bad.