Question

A pizza place offers 5 different cheeses and 10 different toppings. In how many ways can a pizza be made with 2 cheese and 4 toppings?

2100

1800

1500

1200

Answer 1

are you familiar with the combination formula?

nCr where n is the total number of objects to choose from and r is the number of objects being selected

for example, from 5 cheeses we choose 2 so we write

5C2

try writing out the nCr for the toppings, then you can move to the next step: