You go to Sandy's and want to order a pizza. You can choose from thin or thick crust; white sauce or red sauce; and pepperoni, sausage, mushroom, or extra cheese. How many possible combinations of pizza can be ordered?

2 crusts

2 sauces

4 toppings

2x2x4= 16 combinations

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

35-60 students are taking math.