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There are 125 people in a sport centre. 59 people use the gym. 70 people use the swimming pool. 55 people use the track. 25 people use the gym and the pool. 30 people use the pool and the track. 17 people use the gym and the track. 6 people use all three facilities. How many people use exactly one of these facilities?

 
 Sep 13, 2021
 #1
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Here is  a  Venn diagram of this situation:   Can you anser this now?

 

 
 Sep 13, 2021

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