Set theory question

A total of 83 teens attended performing arts camp to train in at least one of three activities: dance, acting, or singing. 50 took dance, 50 took acting, and 44 took singing 15 took dance and acting only. 12 took dance and singing only. 69 took acting or singing or both. 9 took all three performing arts. Use a Venn diagram to determine how many teens trained in only one performing art?


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Kav10 Kav10
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