Asked by Jamie M

A pizza shop offers 5 toppings. How many different 3-topping pizzas can you make?

1)6
2)10
3)4
4)5

I think #2
Answered by Reiny
Why do you think it is #2 ?
Answered by Jamie M
# 1) 6 pizzas
Answered by Reiny
#2 was correct, I just wanted to know what your were thinking
you are choosing 3 of the 5 toppings which is C(5,3) = 10
Answered by Katie to Reiny
I’m doing this same problem but can’t figure how you came up with 10. Can you help
Me figure out how you solved it
Answered by Jenifer
The problem is a combination because the order doesn't matter so you have to use the formula nCr equal 5C3 = 10
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