Asked by Muthomi paul

In how many ways can a lift holding eight passenger carry a part of thirteen in two journey?
Answered by Steve
13C8+13C7 = 3003
Answered by kibirige mohamed
can choose to take 8, 7,6 or 5 passangers on the first journey. then the remaining passangers could confirtably be catered for when he comes back.

so (13C8+13C7+13C6+13C5)
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