Mathematics, 15.09.2021 07:50 edjiejwi

20 teachers selected sun rise beach. 12 teachers selected Mkapa bridge and St. Anthony's area. 16 teachers selected St. Anthony's area and Sun rise beach. 5 teachers selected all the three places. Each teacher selected at least two places. ( a) How many teachers selected Sun rise beach and Mkapa bridge (b) How many teachers were there?

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