Answer:
(B)
Step-by-step explanation:
PRINCIPAL AMOUNT(p) = $400
RATE (r)= 250% = 2.5
INTEREST = $80
t = time (in days) = t/365
By using the formula,
r = \(\frac{i}{pt}\)
2.5 = \(\frac{80*365}{400*t}\)
t = \(\frac{364*80}{400*2.5}\)
t = 29.2
t = 29 days (approx)
Hence option (B) is correct.