In a class of pupils, 4 play the flute and piano,
15 play the flute only.
8 play the piano on...
Mathematics, 23.02.2021 16:40 ten55
In a class of pupils, 4 play the flute and piano,
15 play the flute only.
8 play the piano only.
12 play neither instrument.
How many pupils are in the class?
Answers: 2
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