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P. 3996. A courier runs from the end of an 80 m long marching troop to its front, and then it runs back to the end with the same speed. During this the marching troop covers a distance of 150 m. Calculate the distance covered by the courier.

(4 points)

Deadline expired on 11 October 2007.

Statistics on problem P. 3996.
 260 students sent a solution. 4 points: 193 students. 3 points: 12 students. 2 points: 17 students. 1 point: 31 students. 0 point: 4 students. Unfair, not evaluated: 2 solutions. Unfair, not evaluated: 1 solution.

• Problems in Physics of KöMaL, September 2007

•  Támogatóink: Morgan Stanley