Rectangular Prism Volume Practice Test

A rectangular storage box has a length of 8 inches, a width of 6 inches, and a height of 4 inches. If the height is doubled while keeping the length and width the same, by what factor does the volume increase?

A rectangular swimming pool has a length that is twice its width. If the width is 12 feet, the depth is 5 feet, and the pool is filled to 80% capacity, how many cubic feet of water are in the pool?