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11-07-2019
Mathematics

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The sundae bar at Sarah's favorite restaurant has 5 toppings. In how many ways can Sarah top her sundae if she is restricted to at most 2 toppings?

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11-07-2019

Answer:

15 ways.

Step-by-step explanation:

There are 5 ways to have 1 topping.

There are 5C2 = 5*4 / 2*1 = 10 ways of having 2 toppings.

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