Hello, ihavvaquestion!

This is correct if the order of the 10 songs inYour mobile music DJ business has: 6 rap, 10 rock, 6 alternative,

8 oldies and 5 C&W cd singles.

How many different 10-song sets can the DJ play at a party

if she plays exactly two singles from each?

Here is how I came up with an answer:

. . choices.important.not

If the order of the songsconsidered, mutilply by 10-factorial.is