At a local pizza parlor, patrons have 2 choices of cheese and 10 choices of topping. In how many different ways can a patron choose 1 type of cheese and 1 type of topping?

There is only 20 different ways you can do for 1 topping and 1 cheese for this question. Because every topping (10) on every cheese (2) gives you 20 different choices you can have a pizza.