Question

In Mike's English class at university there are 178 students, of whom 51 also study history and 44 also study statistics. There are another 85 students who also study history, of whom 25 study statistics also. Another 35 students study only statistics. If 15 students study all three of these subjects, how many in total study statistics?

Answer 1

I get 104. What do you get?

Answer 2

got 98 but im not sure where im missing the extra 15. i know i added the 15 in the center im sure of it