Your answer :-
let's plug in the values of M and N into the expression:
M = 17
N = 28
M - 72/N = 17 - 72/28
Now, let's calculate it:
M - 72/N = 17 - 2.57142857 ≈ 14.42857143
So, when M = 17 and N = 28, the value of the expression M - 72/N is approximately 14.42857143.