SOLUTION: There are 6 children riding on the roller coaster. Each car holds 6 in 3 rows of 2 seats each. How many seating combinations are there?
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Question 359950: There are 6 children riding on the roller coaster. Each car holds 6 in 3 rows of 2 seats each. How many seating combinations are there? Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! nCr=combination of n things taken r at a time.
6!/((6-2)!2!)
6*5*4!/4!2
=3*5
=15 seating combinations.
.
Ed
