Ewan makes chessboards from wood. Each board has 3 different kinds of wood.
He has 5 kinds of wood in his workshop: maple, cherry, walnut, poplar, and birch. How many different types of chessboards can he make?
1 Answer | Add Yours
Ewan has 5 kinds of woods and each chess board requires 3 different kinds of woods.
Using them the number of different kinds of chess boards that can be made is C(5, 3)
= `(5!)/(3!*(5 - 3)!)`
Ewan can make 10 different types of chess boards.
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