Steve's empty swimming pool will hold 24,000 gallons of water when full. It will be filled by 4 hoses, each of which supplies 2.5 gallons of water per minute. How many hours will it take to fill Steve's pool?
<spanclass=′latex−bold′>(A)</span>40<spanclass=′latex−bold′>(B)</span>42<spanclass=′latex−bold′>(C)</span>44<spanclass=′latex−bold′>(D)</span>46<spanclass=′latex−bold′>(E)</span>48