Wednesday

September 28, 2016
Posted by **bobby** on Tuesday, September 30, 2008 at 9:18pm.

Solve for n

- math gr 2 -
**bobpursley**, Tuesday, September 30, 2008 at 9:21pmN!/(N-5)! = 20n!/(n-3)!

1=20(n-5)(n-4)

multiply out the last two terms, then find n with the quadratic formula.