In how many different ways can 3 boys and 2 girls sit on a bench such that the girls always sit together?	Pick one:
A) 44  B) 48  C) 52  D) 56  E) 60
We can think of the girls as one unit.   The number of ways to arrange 4 units in order is 4!   The girls can have different arrangements, so we multiply this by 2!   The number of ways to sit is 4!*2!=48   The answer is 48.
<result>B</result>
In how many different ways can 3 boys and 2 girls sit on a bench such that the girls always sit together?