You probably will get a D+
104/150 = 52/75
58% F
69.3%
80% or B-
150
You would formulate this problem X/100 * 150 = 72 and solve for X.
4.15 x 104
91.3% A
50 points added to a school grade of 54 = 104
100 ÷ 150 x 100 = 66.66%.
As a percentage it is 80%
62.5% or D-