Covid Spread

A disease is spreading through ChefLand! The disease spreads as follows: - At the end of day $0$, a single person is infected with the disease. - During the next $10$ days, the number of infected people **doubles** each day, until the disease has spread to all people in ChefLand. - From day $11$ onwards, the number of infected people **triples** each day, **until** the disease has spread to all p