Mathematics, 14.07.2020 01:01 nathangirnet
A class of 30 music students includes 13 who play the piano, 15 who play the guitar, and 9 who play both the piano and the guitar. How many students in the class play neither instrument?
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A class of 30 music students includes 13 who play the piano, 15 who play the guitar, and 9 who play...
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