8/36 because:
8+16+12=36
and if you simplify it the answer will be 4/18 2/9
1/2 + 1/2 + 2/3 + 3/4 + 47/48 + 48/49 +49/50 = 5.35542517007
This decimal form is ≈ to 5 2/5
The first one x is greater than and equal to 34
You set it up as a y=mx+b problem 150=55x+40 then you subtract 40 from 150 making 110=55x so x=2