Answer :
If you substitute c for 5:
55 x 5 + 13 = 288
75 x 5 + 39 = 414
So that means that: 55c+13 < 75c+39
I think this is what you were asking for, but if it is not, I am sorry.
55 x 5 + 13 = 288
75 x 5 + 39 = 414
So that means that: 55c+13 < 75c+39
I think this is what you were asking for, but if it is not, I am sorry.