Question
A survey was conducted with some pupils. 29 of them chose gymnastics as their favourite sport. 35 of the remaining pupils chose floorball. 12 of those left chose swimming and the last 77 chose volleyball. How many more pupils chose floorball than gymnastics?
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A survey was conducted with some pupils. 29 of them chose gymnastics as their favourite sport. 35 of the remaining pupils chose floorball. 12 of those left chose swimming and the last 77 chose volleyball. How many more pupils chose floorball than gymnastics?