N=20
n=45
When M equals 25, then M divided by 5 is 5. It makes no difference what N is.
5
52
If: N/0.5 = 8 then N = 4 because 4/0.5 = 8
5
n=45
When M equals 25, then M divided by 5 is 5. It makes no difference what N is.
N= 5.5
This equation is qritten as n/5 = 27 Multiply both sides by '5' n = 135
24.
5
52
6
40000
If: N/0.5 = 8 then N = 4 because 4/0.5 = 8
nPr is n!/(n-r)!. The ! is factorial; for example 5! = 5*4*3*2*1.