Each day, enough paperis recycledin the united statesto fill 15 miles of train boxcars. how many miles of boxcars could be filled in 5 weeks? complete the equation to you solve the problem

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap