In a of 45 students,30 read Biology and 25 read chemistry.each student reads at least one of the two subjects.

Question

i.illustrate this information on a venn diagram.
ii.How many students read both subjects

Answer 1

If x take both, then
30+25-x = 45
so x = 10

Answer 2

I agree with oobleck!
They are 100% right