SOLUTION: Show all work. Mary purchased a package of 13 different plants, but she only needed 9 plants for planting. In how many ways can she select the 9 plants from the package to be plan
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Question 423549: Show all work. Mary purchased a package of 13 different plants, but she only needed 9 plants for planting. In how many ways can she select the 9 plants from the package to be planted? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Mary purchased a package of 13 different plants, but she only needed 9 plants for planting. In how many ways can she select the 9 plants from the package to be planted?
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13C9 = 13C4 = (13*12*11*10)/(1*2*3*4) =715
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Cheers,
Stan H.
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