In the middle of a round pool lies a beautiful water lily. The water lily doubles in size every day. After exactly 20 days, the lily will cover the complete pool. How many days until the water lily covers exactly 1/2 the pool?
19 days.
In the middle of a round pool lies a beautiful water lily. The water lily doubles in size every day. After exactly 20 days, the lily will cover the complete pool. How many days until the water lily covers exactly 1/2 the pool?
19 days.