SOLUTION: In a train yard there are 4 tanker cars, 12 boxcars, and 7 flatcars available for a train. In how many ways can a train be made up consisting of 2 tanker cars, 5 boxcars, and 3 fl

Algebra ->  Probability-and-statistics -> SOLUTION: In a train yard there are 4 tanker cars, 12 boxcars, and 7 flatcars available for a train. In how many ways can a train be made up consisting of 2 tanker cars, 5 boxcars, and 3 fl      Log On


   



Question 1150202: In a train yard there are 4 tanker cars, 12 boxcars, and 7 flatcars available for a train. In how many
ways can a train be made up consisting of 2 tanker cars, 5 boxcars, and 3 flatcars?

Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
.

It is more than obvious:


    in  C%5B4%5D%5E2.C%5B12%5D%5E5.C%5B7%5D%5E3  ways.

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On Combinations and how to calculate them,  see introductory lessons
    - Introduction to Combinations
    - PROOF of the formula on the number of Combinations
    - Problems on Combinations
    - OVERVIEW of lessons on Permutations and Combinations
in this site.

Also,  you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic  "Combinatorics: Combinations and permutations".


Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.