# geometry

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Show all work. Mary purchased a package of 15 different plants.but she only needed 10 plants for planting. In how many ways can she select the 10 plants from the package to be planted?

• geometry -

You are choosing 10 from 15 which is
C(15,10) = 3003

C(15,10) = 15!/(10!5!) = 3003

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