Answer:
I hate math too <3
Increasing: [0,1]
Decreasing: (infinity,0] U [1,infinity)
When two fractions have the same numerators, the one with the smaller denominator is the greater fraction.

So Kelvin is right.
9/22
5/11 = 10/22
8/11 = 16/22
largest to smallest : 8/11, 5/11, 9/22
I got x=11
solution process: x-30=14-3x
-30=14-4x
-44=-4x
44=4x
11=x