SOLUTION: Three research departments have 7,10,8 and members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many

Algebra ->  Probability-and-statistics -> SOLUTION: Three research departments have 7,10,8 and members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many       Log On


   

Question 1160273: Three research departments have 7,10,8 and members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many ways can this be done?
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
"respectively" is superfluous.

Answer by ikleyn(52782) About Me  (Show Source):
You can put this solution on YOUR website!
.
Three research departments have 7,10,8 highlight%28cross%28and%29%29 members, respectively. Each department is to select a delegate and an alternate
to represent the department at a conference. In how many ways can this be done?
~~~~~~~~~~~~~~~~~~~~~ 


The solution and the answer are in one line


    It can be done in  (7*6) * (10*9) * (8*7)  = 211680 ways.

---------------

Watch my factors (!)

The formula is self-explanatory (!)