77.8k views
12 votes
On a group of 23 pupils, 4 play

the flute only.
3 play the piano only.
15 play neither instrument.
How many pupils play both
instruments?

2 Answers

13 votes
1 because 15+4+3=22. Then you do 23-22=1
User Amit Pandey
by
3.9k points
3 votes

35 im not sure tho i hope it helps

User Jaime
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3.6k points