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Lady_Fox [76]
4 years ago
12

If A pizza restaurant offers 9 choices of vegetarian toppings for pizza In how many ways can you choose 4 toppings

Mathematics
1 answer:
Eva8 [605]4 years ago
4 0
You have to pay attention in this:
- The order doesn't matter
- No repetition
- You can not chose all available elements (just 4)
So in this case your formula must be: 9C4= 9!/(4!*(9-4)!) = 126 ways
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