Question

you are buying flowers from the store and can select one of each type. if there are five daisies, three roses, and two lilies, how many different combinations of flowers can you purchase?

Answer 1

Explanation:

Correct answer:

x = 455

Explanation:

C

12

​

(15)=(

12

15

​

)=

12!(15−12)!

15!

​

=

3⋅2⋅1

15⋅14⋅13

​

=455

n=4

k=12

m=n+k−1=4+12−1=15

x=(

k

m

​

)=455