SOLUTION: How many different arrangements of three boxcars can be selected from eight boxcars for a train? The order is important since each boxcar is to be delivered to different locations.

Algebra ->  Probability-and-statistics -> SOLUTION: How many different arrangements of three boxcars can be selected from eight boxcars for a train? The order is important since each boxcar is to be delivered to different locations.      Log On


   

Question 1100939: How many different arrangements of three boxcars can be selected from eight boxcars for a train? The order is important since each boxcar is to be delivered to different locations.
How many combination of four objects are there taken two at a time?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many different arrangements of three boxcars can be selected from eight boxcars for a train? The order is important since each boxcar is to be delivered to different locations.
----
Ans: 8P3 = 8!/(8-3)! = 8*7*6 = 336 arrangements
--------------------
How many combinations of four objects are there taken two at a time?
Ans: 4C2 = (4*3)/(1*2) = 6
------------
Cheers,
Stan H.
----------