SOLUTION: Dawn has been asked to be the disc jockey at her cousin's wedding. She has been asked to play 9 songs before they cut the cake. Four are slow songs and five are fast songs. Each so
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Question 1118472: Dawn has been asked to be the disc jockey at her cousin's wedding. She has been asked to play 9 songs before they cut the cake. Four are slow songs and five are fast songs. Each song is to be played only once. In how many ways can she play the 9 songs if:
a. The songs can be played in any order.
b. The first three songs must be fast songs. Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! The first is 9! or 362,880 ANSWER (9*8*7*6*5*4*3*2*1)
The second is 5*4*3*6!, or 120*720=86,400 ANSWER
