Question 86905
81/100, 62/100, 63/100, x
81%, 62%, 63%, x
(81% + 62% + 63% + x) / 4 >= 70%
(0.81 + 0.62 + 0.63 + x) / 4 >= 0.7
0.81 + 0.62 + 0.63 + x >= 2.8
x >= 0.74
x >= 74%
74% of 200 = 148
x >= 148 points