In a train yard, there are 6 flatcars, 7 boxcars, and 3 livestock cars. A train is made up of 9 cars. How many ways can the

Question

In a train yard, there are 6 flatcars, 7 boxcars, and 3 livestock cars. A train is made up of 9 cars.
How many ways can the train be made up?
Which would you use to find the number of ways the train could be made up?

Kunduz · Accepted Answer

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