Mathematics

Mathematics, 05.02.2021 16:40, avablender

3 of 5 In a group of 30 pupils, 13 play the flute only.
1 plays the piano only.
4 play both instruments.
How many pupils play neither instrument?

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3 of 5 In a group of 30 pupils, 13 play the flute only.
1 plays the piano only.
4 play...

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