Question 1058172: a pizza parlor offers 5 toppings on a pizza. How many different pizzas are there with two toppings? Found 2 solutions by Boreal, ewatrrr:Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! this is 5C2, which is 5!/2!3!
That is 10.
if the toppings are ABCDE
AB
AC
AD
AE
BC
BD
BE
CD
CE
DE
