There are 40 students. THere are 6 who only like tape , 10 who like both tape and disc, and 11 who like only disc. How many bout tapes ? tapes but not disc , both tapes and discs neither discs nor tapes .. explain the progress of getting the answers

Question

There are 40 students. THere are 6 who only like  tape , 10 who like both tape and disc, and 11 who like only disc. How many bout tapes ? tapes but not disc , both tapes and discs neither discs nor tapes .. explain the progress of getting the answers

PsyDAG · Answer

The 40 students would purchase according to their likes. The remainder of the 40, who expressed no preference, would buy neither. How many like tapes? How many like only tapes? How many like both? How many expressed no likes?