Answer: 0.518
Explanation: Total Area of lake = 225 sq miles = 6.273e+9 sq feet
Change in volume per second = 43800-6200 = 37600 cfs
Change in volume per day = 37600 * 3600 * 24 = 3.249e+9 cfd
Total rise of water level per day = Change in volume per day/Total lake area
= 3.249e+9/6.273E+9 = 0.518 feet/day