Ross Mery Kwon

1. Cộng đồng
2. Study Group
3. I need help with a Venn Diagram problem.

For question 1 I have 45 and for the 2nd question I have n(a/b)=n(a and b) / n(b) = 5/14 = 27

1. Cộng đồng
2. Study Group
3. I need help with a Venn Diagram problem.

I really don’t know how to start. Should be awesome if we can go trough that.