You volunteer to help drive children at a charity event to the zoo, but you can fit only 7 of the 20 children present in your van. How many different groups of 7 children can you drive? - QAmmunity.org

You volunteer to help drive children at a charity event to the zoo, but you can fit only 7 of the 20 children present in your van. How many different groups of 7 children can you drive?

asked Oct 21, 2022 76.2k views

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