Exact result
56
4 choose 5 with repeats allowed is 56.
A bowl can repeat flavors, but rearranging the same scoops does not create a new combination.
Worked steps
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- Inputs: n = 4, r = 5
- Formula: C(n + r - 1, r) = (n + r - 1)! / (r!(n-1)!)
- Substitute: C(4 + 5 - 1, 5) = (4 + 5 - 1)! / (5!(4-1)!)
- Steps: 40,320 / (120 x 6)
- Result: 4 choose 5 with repeats allowed is 56.
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A bowl can repeat flavors, but rearranging the same scoops does not create a new combination.
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