Austin Warby added How_many_ways_can_we__.tex  over 8 years ago

Commit id: afe9ec6c71f173880d4b0e7e704f7f5404e9ca58

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How many ways can we place 7 candies in a bowl where order does not matter and repetition is allowed?  Begin by creating 3 separate spaces with the bars; to make 3 spaces we use 2 bars.  | |     Here the first space can be for blue candies, second for red, and third for green.  (blues)|(reds)|(greens)   For the first way say we pick the same candy.  *******| |