SOLUTION: How many ways are there to put 6 balls in 3 boxes if the balls are not distinguishable but the boxes are?

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Question 1143348: How many ways are there to put 6 balls in 3 boxes if the balls are not distinguishable but the boxes are?
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
For b indistinguishable balls into k distinct boxes, with no other restrictions (such as one or more balls per box) is:

C(k+b-1, b)


where C(n,r) = n!/((n-r)!r!)