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Mathematics 16 Online
OpenStudy (anonymous):

A yogurt shop allows its customers to add, for no charge, 3 toppings to any yogurt purchased. If the store has 18 possible toppings, how many different 3-topping combinations can a customers choose?

OpenStudy (anonymous):

This is a combination of 3 from 18. So it is 18C3

OpenStudy (anonymous):

What does the C mean?

OpenStudy (anonymous):

C = combination

OpenStudy (anonymous):

haven't you learned combinations?

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