If the committee will consist of 3 councillors and either 1 or 2 planning staff, how many different committees could the council choose?

Question

Full Question: 

There are 10 councillors and 12 planning department staff available to serve on a budge committee for the new city council. If the committee will consist of 3 councillors and either 1 or 2 planning staff, how many different committees could the council choose?

 

Combinations question from a Data management course.

Answer 1

10C3*12C1+ 10C3*12C2

Answer 2

1/33there are 10 councils 12planning departments and 3 councils then answe will be 1c3 and 12c10 i.e.1/264