Martha, Lee, Nancy, Paul and Arando have all been invited to a dinner party. They arrive randomly an each person arrives at a different time.

Question

anonymous · Answer

In how many ways can they arrive? 5! = 120 right

anonymous · Answer

In how many ways can Martha arrive first and Armando last? Help with this one, please

anonymous · Answer

I was thinking 3*2*1=6

anonymous · Answer

3! is correct

anonymous · Answer

Cuz Martha and Armando must be first and last

anonymous · Answer

Soooo Only 3 of the guys can be "moved" around

anonymous · Answer

I was thinking that, but then I thought:

M * 4 * 3 * 2 * A 

That would give 24

anonymous · Answer

Nope that is incorrect logic

anonymous · Answer

Ok, just making sure, thx. Can you help w/ another one?

anonymous · Answer

Umm ya If i can be of assistance