I need an explaination/step by step. CONFUSED! please help!

Amy, Bob, Charlie, Doug, and Elvira work for a group within a company. A subgroup of three of them will be chosen to represent the group at a job conference. How many different groups of three could be selected?

Question

I need an explaination/step by step. CONFUSED! please help!

 Amy, Bob, Charlie, Doug, and Elvira work for a group within a company. A subgroup of three of them will be chosen to represent the group at a job conference. How many different groups of three could be selected?

britanyashton · Answer

ok so 5 people work at the same place. 3 of them will represent all 5 of them at a job conference. how many possible combinations of three are possible? There are ten possible combinations. You need to read this instructional in the link. It WILL help you alot!! http://www.mathsisfun.com/combinatorics/combinations-permutations.html

britanyashton · Answer

under "Permutations without Repetition"

anonymous · Answer

Thank you!

britanyashton · Answer

Yep
Hey if this wasn't any help whatsoever...there is khan academy...they give free tutor-videos to everyone and have practically everything :)