For The Mathematically Inclined

There are 3 different roads from city A to city B and 2 different roads from city B to city C. There are 3 roads between cities C and D, and 2 roads between cities B and D. How many ways can someone go from city A to city D.

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Problems from 01/04/18

Problem 1

From a given point, A is traveling West at 60 mph and B is traveling North at 60 mph. What is the relative velocity of B with respect to A.

(~85 mph NE)

Problem 2

A group of 4 friends found seats in a row at the movie theater. In how many different orders can they sit?

(24)