SOLUTION: If each engineer needs to meet with each other individually, how many engineers would equal 66 meetings? I cannot come up with this number in my son's homework question. I get 8 e

Algebra ->  Linear-equations -> SOLUTION: If each engineer needs to meet with each other individually, how many engineers would equal 66 meetings? I cannot come up with this number in my son's homework question. I get 8 e      Log On


   



Question 491489: If each engineer needs to meet with each other individually, how many engineers would equal 66 meetings? I cannot come up with this number in my son's homework question. I get 8 engineers at 56 meetings, or 9 engineers at 72 meetings. Please help!
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
We want nC2 = 66 because the number of ways to choose two engineers to meet out of a pool of n is 66. Hence,







n = 12 engineers