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.

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Question 1100941: 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?
Found 2 solutions by Shin123, ikleyn:
Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
I don't know

Answer by ikleyn(52809) About Me  (Show Source):
You can put this solution on YOUR website!
.
Any of 8          at the 1-st position.

Any of 7 remained at the 2-nd position.

Any of 6 remained at the 3-rd position.


In all, there are  8*7*6 = 336 different arrangements.