Question
A group of students took part in a survey to vote for their favourite sport. Each pupil voted for only 1 type of sport: soccer, aerobics or basketball. 57 of them voted for either soccer or aerobics. 25 of them for either aerobics or basketball. 36 of them voted for aerobics. How many students took part in the survey?
4 m

Click button first when a symbol is required. X

A group of students took part in a survey to vote for their favourite sport. Each pupil voted for only 1 type of sport: soccer, aerobics or basketball. 57 of them voted for either soccer or aerobics. 25 of them for either aerobics or basketball. 36 of them voted for aerobics. How many students took part in the survey?