SOLUTION: Michelle Cook's collection of eight country music albums includes "when the sun goes down" by kenny chesney. Michelle will choose three of her albums to play on a drive to Nashvill

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Question 667294: Michelle Cook's collection of eight country music albums includes "when the sun goes down" by kenny chesney. Michelle will choose three of her albums to play on a drive to Nashville, (assume order is not important)
a) How many different sets of 3 albums could she choose?
b) how many of these sets would not include "when the sun goes down"?
c) how many of them would include "when the sun goes down"?
please explain how to figure it out. thanks for your help.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Michelle Cook's collection of eight country music albums includes "when the sun goes down" by kenny chesney. 

will choose three of her albums(assume order is not important) 

a) How many different sets of 3 albums could she choose? 8C3+=+56

b) how many of these sets would not include "when the sun goes down"? 7C3+=+35

c) how many of them would include "when the sun goes down"? 7C2%2A1C1+=+21