Respuesta :
					                   We use the formula of combinations where r objects from a set of n objects. 
Since there are 7, we picked 2 and the order does not matter.
C(n,r) = C(7,2)
7!
Divided by
(2! (7-2)!)
= 21
The answer is there are 21 choices of side dishes a customer can have.
					                
					             Since there are 7, we picked 2 and the order does not matter.
C(n,r) = C(7,2)
7!
Divided by
(2! (7-2)!)
= 21
The answer is there are 21 choices of side dishes a customer can have.
 
					                  