# Can anyone solve this problem?

The pizza restaurant down the street wants to advertise on its marquee sign the number of ways you can order a $10 pizza. The restaurant offers 18 toppings and for $10 you can order up to 4 toppings, meaning you can either order 1, 2, 3, or 4 toppings and you can’t order any toppings twice.

Update:
a. Is this a permutation problem, a combination problem, or a problem using both elements?

b. Determine how many ways you can order a pizza from the restaurant. Explain what strategies you used.

c. If there were no restriction on the number of toppings you could choose, how would that change the answer?

b. Determine how many ways you can order a pizza from the restaurant. Explain what strategies you used.

c. If there were no restriction on the number of toppings you could choose, how would that change the answer?

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