In a class of pupils, 7 play the flute and
piano.
14 play the flute only.
10 play the p...
Mathematics, 18.05.2021 19:30 myiacoykendall
In a class of pupils, 7 play the flute and
piano.
14 play the flute only.
10 play the piano only.
6 play neither instrument.
How many pupils are in the class?
Answers: 1
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