Posted by **Madmazel** on Friday, April 9, 2010 at 12:02am.

Rachel has 3 red, 5 blue, and one yellow towel. In how many ways can the towels be aranged if:

a) One blue towel must be at each end of the row?

b) All the blue towels must be side by side?

c) The towel's of the same colour must be side by side?