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A deli offers 15 different toppings. You are allowed 3 different toppings. In other words, you can't select the same topping more than one time per sandwich. How many choices of 3 toppings are there?
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A deli offers 15 different toppings. You are allowed 3 different toppings. In other words, you can't select the same topping more than one time per sandwich. How many choices of 3 toppings are there?

User Fresheyeball
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3 times 15 = 45 so the answer is 45
User Oran Dennison
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