Use this formula

P(AuBuC) = P(A) + P(B) + P(C) - P(AnB) - P(AnC) - P(BnC) + P(AnBnC)

where we want to find P(AnBnC)

500-329-186-295+83+217+63 = 53

P(AuBuC) = P(A) + P(B) + P(C) - P(AnB) - P(AnC) - P(BnC) + P(AnBnC)

where we want to find P(AnBnC)

500-329-186-295+83+217+63 = 53