The Wright's backyard pool is in the shape of a rectangular prism. The length of the pool is 24 feet, the width is 16 feet, and the depth throughout the pool is 5 feet. Mr. Wright is filling the pool with water. If it takes one hour to fill 240 cubic feet, how many hours would it take to completely fill the pool with water?
7 hours
8 hours
9 hours
10 hours