Mathematics, 19.05.2021 19:30 toribrown3773

There are 135 people in a sport centre. 73 people use the gym.
59 people use the swimming pool.
31 people use the track.
19 people use the gym and the pool.
9 people use the pool and the track.
16 people use the gym and the track.
4 people use all three facilities.
How many people didn't use any facilities?

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There are 135 people in a sport centre. 73 people use the gym.
59 people use the swimming poo...