SOLUTION: this should be simple, but I can't get it (Algebra II): Ashley's new CD player can hold 3 CDs at one time. She has 12 CDs. In how many ways can she choose 3 CDs to play?

SOLUTION: this should be simple, but I can't get it (Algebra II): Ashley's new CD player can hold 3 CDs at one time. She has 12 CDs. In how many ways can she choose 3 CDs to play?

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Question 130552: this should be simple, but I can't get it (Algebra II):
Ashley's new CD player can hold 3 CDs at one time. She has 12 CDs. In how many ways can she choose 3 CDs to play?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
YOUR FIRST CHOICE CAN BE ANY ONE OF 12
THE SECOND CHOICE CAN BE ANY ONE OF 11
THE THIRD CHOICE CAN BE ANY ONE OF 10.
THUS YOU HAVE 12*11*10=1,320 CHOICES.
OR 12P3.
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