a metered rikshaw charges rs 13.50 for the first 1 km and 2.50 per 1 / 3 km there after . what would the charge if this rikshaw is hired for 13 kms ? in approx ? ?
n0 = 13.5
n1 = 1.0
n2 = 2.5
n3 = 1.0
n4 = 3.0
n5 = 13.0
t0 = n1 / n4
t1 = n5 - n1
t2 = t1 / t0
t3 = n2 * t2
answer = n0 + t3
print(answer)