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a selected number of constituents of a certain barangay were asked about their preference between classical and popular songs. Thirty-four of them like classical songs, no one likes popular songs only, and 5 like neither classical songs nor popular songs. If there are 39 selected constituents, how many constituents like both classical and popular songs?

Sagot :

34
sol:
n(constituents)=39
n(classical)=34
n(popular)=0
n(class.and pop.)=?
n(neither)=
39-34=5
so 5 did not like pop nor class. AND 34 is the mixture of constituents who like pop and classic so the answer is 34
yep 34 is the answer