Draw a number line and place a dark dot at x=(2). Place a circle at x=0.
Connect the circle at x=0 to the dot at x=2 with a line segment.
Not knowing what your M means, I can't go any further here helping you. Please explain where M came from and what it means.

Answer: 54 is 112.5% of 48.
The box is 5m long, 3m wide, 4m high
Y : x
14 : 18
31 : x
18*31/14=x
39.85714286
ANSWER
x=39.86