Mathematics, 29.06.2020 08:01 mega29
100 were students interviewed, 28 took PE, 31 took bio, 42 took English, 9 took PE and biology, 10 took PE and english, 4 took all three subjects.
(1) how many students took none of the three subjects.
(2) how many students took PE, but not biology or English.
(3) how many students took biology and PE but no English.
Answers: 3
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100 were students interviewed, 28 took PE, 31 took bio, 42 took English, 9 took PE and biology, 10 t...
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