2 years ago

There are 135 people in a sport centre.

Mathematics

2 answers:

nirvana33 [79]2 years ago

7 0

Answer:

200wuwusjjdhsuauuaiajjduwiqisidiwiwia

egoroff_w [7]2 years ago

3 0

Answer:

n(U) = n(G)+n(S)+n(T)-n(GnS)-n(GnT)-n(TnS)+n(GnTnS) + n(GnTnS)^c

135= 73+59+31-19-9-16+4+ n(GnTnS)^c

no. of people not using any facility =12

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