A pizza place offers 4 different cheeses and 10 different toppings. In how many ways can a pizza be made with 2 cheese and 3 toppings?
1 Answer
Mar 30, 2018
Explanation:
This is a combinations question - we don't care in what order the toppings and cheeses are put on the pizza - we only care that they are there.
The general formula is:
Cheeses
We want to choose 2 cheeses from the 4 offered:
Toppings
We want to choose 3 toppings from the 10 offered:
Together
These are independent choices, and so we multiply the results: