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

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) (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) (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?
-----
Ans: 18C12 = 18C6 = (18*17*15*14*13*12)/(1*2*3*4*5*6) = 18564
========
Cheers,
Stan H.
RELATED QUESTIONS
SHOW ALL WORK. Mary purchased a package of 18 different plants, but she only needed... (answered by stanbon)
Sow all work. Mary purchased a package of 18 different plants, but she only needed 12... (answered by jim_thompson5910,stanbon)
Show all work. Mary purchased a package of 18 different plants, but she only needed 15... (answered by jim_thompson5910)
Show all work. Mary purchased a package of 13 different plants, but she only needed 9... (answered by stanbon)
Show all work. Mary purchased a package of 20 different plants, but she only needed 16... (answered by stanbon)
Show all work. Mary purchased a package of 22 different plants, but she only needed 20... (answered by sudhanshu_kmr)
Show all work. Mary purchased a package of 9 different plants, but she only needed 6... (answered by rwm)
Show all work. Mary purchased a package of 15 different plants, but she only needed 10... (answered by sudhanshu_kmr)
show all work. Mary purchased a package of 9 different plants, but she only needed 6... (answered by stanbon)