There are 80 students in a class. If 65 students studied mathematics and 49 studied English language while a student did neither of the two subject

(1).How many students studied both suby
(2). How many studied mathematics only

4 answers

79 students after we remove the student who did neither.
65+49 = 114 subtract 79 to get 35 so 35 must have done both
so with a Venn Diagram you would have 30 students in math only and 14 students in English only with 35 in the overlap. These numbers should add up to 79 plus the 1 outside the universe gets us to 80.
How did we get 79
How did we get 79
How many studen study mathematics only