112 students surveyed 69 studied in library 58 studied in union 25 studied in both how many did not study in both

112 Students
69 studied in the library
58 studied on union
25 studied in both

I do not understand the question very well but I'll give it my best shot

From what I understand, all you need to do is :


112 from the total students and 25 from the students who studied in union and the library

So you solve it:



Hope this Helps!

Logical equivalent of the give question is its contrapositive

He was paid 23 dollars for each lawn