Mathematics, 09.07.2021 01:30, alexisthegirl

In a group of 26 pupils, 3 play the flute only. 5 play the piano only.
7 play neither instrument.
How many pupils play both instruments?

Answers: 1

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In a group of 26 pupils, 3 play the flute only. 5 play the piano only.
7 play neither instru...