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A customer ordered 15 pieces of gourmet chocolate. The order can be packaged in small boxes that contain 1, 2 or 4 pieces of chocolate. Any box that is used must be full. How many different combinations of boxes can be used for the customer's 15 chocolate pieces? One such combination to be included is to use seven 2-piece boxes and one 1-piece box.

 

i don't know how you'd find all the number of combinations

 Dec 22, 2019
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Using casework, you can find that there are 16 combinations that work.

 Dec 23, 2019

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