Question

In a survey of 100 college students, 35 were registered in College Algebra, 52 were
registered in Computer Science I, and 18 were registered in both courses.

Answer 1

How many students were registered in College Algebra or Computer Science I?

Answer 2

I did this:

Answer 3

A: Students registered in College Algebra
B: Students registered in CS

Answer 4

a venn diagram would make it easy

Answer 5

How did you get thos numbers: 17 and 34?

Answer 6

52+35-18

Answer 7

\[n(A \cup B)=n(A)+n(B) - n(A intersection B)\]

Answer 8

Yep.

Answer 9

Sorry I did not foud the symbol for intersection

Answer 10

So Is it correct what I did?

Answer 11

you got it, yes

Answer 12

Yes, it is.

Answer 13

Thank you =)