SOLUTION: 7. Show all work. Mary purchased a package of 18 different plants, but she only needed 12 plants for planting. In how many ways can she select the 12 plants from the package to be

Algebra ->  Probability-and-statistics -> SOLUTION: 7. Show all work. Mary purchased a package of 18 different plants, but she only needed 12 plants for planting. In how many ways can she select the 12 plants from the package to be      Log On


   



Question 366803: 7. Show all work. Mary purchased a package of 18 different plants, but she only needed 12 plants for planting. In how many ways can she select the 12 plants from the package to be planted?
Found 2 solutions by amoresroy, stanbon:
Answer by amoresroy(361) About Me  (Show Source):
You can put this solution on YOUR website!
Show all work. Mary purchased a package of 18 different plants, but she only needed 12 plants for planting. In how many ways can she select the 12 plants from the package to be planted?
No. of ways = (18*17*16*15*14*13*12*11*10*9*8*7/12!
= 18,564
There are 18,564 ways Mary can select the 12 plants from the package to be planted

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Mary purchased a package of 18 different plants, but she only needed 12 plants for planting. In how many ways can she select the 12 plants from the package to be planted?
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Ans: 18C12 = 18C6 = (18*17*15*14*13*12)/(1*2*3*4*5*6) = 18564
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Cheers,
Stan H.