a student has to obtain 50 % of the total marks to pass . he got 200 marks and failed by 20 marks . the maximum marks are ?
n0 = 50.0
n1 = 200.0
n2 = 20.0
t0 = n1 + n2
t1 = n0 / 100.0
answer = t0 / t1
print(answer)