KöMaL 2010 K250
Two people tried to estimate the size of the audience at an open air concert. One of them guessed there were 2700 spectators, the other one guessed 3600. It turned out that one of the percentage errors made was twice the other, but one underestimated and the other overestimated the audience. What may have been the number of spectators at the concert?
Official text KöMaL. Quoted with source.
Solutions
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