Question

In a class of 80 students, every student had to study mathematics or biology or both mathematics and biology ,If 65 students studied mathematics and 62.5% of teh class studies biology ,how many students studied both subjects.pls detial properly​

Answer 1

Well, 80 x 62.5% is 50.

So, 65 + 50 is 115.

I think there is a mistake in the question

Well, It could not, but please check again TT

Explanation: