Bouquets

In the flower shop they sell roses, tulips and daffodils. How many different bouquets of 5 flowers can we made?

Correct result:

x =  21

Solution:

C5(7)=(75)=7!5!(7−5)!=7⋅62⋅1=21 n=3 k=5  x=(n+k−1k)=(3+5−15)=21

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