You enter a bakery which sells 5 varieties of cookies. You are going to purchase a cookie for each of your 12 closest fr

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answerhappygod
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You enter a bakery which sells 5 varieties of cookies. You are going to purchase a cookie for each of your 12 closest fr

Post by answerhappygod »

You enter a bakery which sells 5 varieties of cookies. You are
going to purchase a
cookie for each of your 12 closest friends.

B.) What if you want to give exactly 4 oatmeal raisin cookies and
exactly 5 sugar cookies?

My approach was 12 - 4 - 5 = 3 + 5 - 1 = 7! / 4!
This equation utilizes the form r+n-1/n-1
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