 <translate> P(1 + 20/100) n > 2P ma ọ bụ (6/5) n > 2 Ugbu a, (6/5 * 6/5 * 6/5 * 6/5) > 2. Ya mere, n = afọ anọ. Azịza ya bụ (B). <hau> P ((1 + 20/100) n > 2P ko (6/5) n > 2 Yanzu, (6/5 * 6/5 * 6/5 * 6/5) > 2. Saboda haka, n = shekara 4. Amsar ita ce (B). 