Article: Brain teaser. (Problem Page).

Jim has to walk across 210km of desert from a well-stocked shop to another town. He covers 30km a day and can carry 20kg of supplies but must consume 4kg of them each day to survive. How many days will it take Jim to arrive at his destination and how far will he have walked in total?

Solution next issue. Sent in by Steve Boddison, MAN Technologie Satellite Products, Wolverhampton, who wins tickets to Glasgow Science Centre.

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