Mrs. Brown has 17 children in her first-grade class, and Mr. Lopez has 20 children in his second-grade class. The principal has been asked to select 1 student from one of the classes to appear at a PTA meeting. How many ways can the selection be made?

Answer 1

A speaker has a collection of 62 jokes. He uses 3 jokes in each speech.

How many speeches can he give without using a joke twice? (Round your answer down to the nearest whole number.)