Question

From the city A to C, there are two options: through city B or not. From A to B there are 3 different routes, from B to C there are 4 different routes, and there are 2 ways from A to C, directly. How many possible ways can a person choose,from A to C ?​

Answer 1

36

Explanation:

You add all of them together which is 9

Then you take the combination of A to C

Which is 9C2