frozenpods
Answered

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Simon is creating a flower arrangement. A client asked him to select 4 of the 7 available flower options to create the arrangement. How many different groups of 4 flowers can Simon choose?

apparently its 35 I don't get why please help
formula:
nCr= n! / (n−r)!⋅r!
​

Sagot :

serenavass

Step-by-step explanation:

7C4=7!/((7-4)!*4!)

=7!/(3!*4!)

=7*6*5*4!/3!*4!

=7*6*5/3!

=7*6*5/3*2*1

=7*5

=35

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