A pump started filling an empty pool with water and continued at a constant rate until the pool was full. At noon the pool was 1/3 full, and 11/4 hours later it was 3/4 full. What was the total number of hours that it took the pump to fill the pool? Select one of the following answer choices A 21/3 B 22/4 C 3 D 31/2 E 32/3 Submit Log in or register to post comments