A sub sandwich shop offers 22 toppings to choose from. How many ways could a person choose a 4-topping sandwich?
26
88
7,315
175,500
Question
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Answer:C – 7315Step-by-step explanation:Using the combination formula.22! / (4!(22-4)!) = 7315Combination is like saying I want meat-cheese-lettuce-tomato and this is the same as cheese-meat-tomato-lettuce. (same toppings, different order)