SOLUTION: Out of 25 students in a class,10 are to be chosen for an excursion party.3 of them decides either all will go or none of them.In how many ways is the excursion possible?

SOLUTION: Out of 25 students in a class,10 are to be chosen for an excursion party.3 of them decides either all will go or none of them.In how many ways is the excursion possible?

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Question 911657: Out of 25 students in a class,10 are to be chosen for an excursion party.3 of them decides either all will go or none of them.In how many ways is the excursion possible?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
3 as one unit
23C8 ways
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