Question: Keiko is going to pack snacks to share with her friends on a hike. She has 16 snacks to choose from: 10 are sweet

Keiko is going to pack snacks to share with her friends on

Keiko is going to pack snacks to share with her friends on a hike. She has 16 snacks to choose from: 10 are sweet and 6 are salty. She is going to choose 9 snacks. (If necessary, consult a list of formulas.) (a) In how many ways can Keiko choose 9 snacks if the number of salty snacks must be less than 27 (b) In how many ways can Keiko choose 9 snacks if the number of salty snacks must be greater than or equal to 2?

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