Each table tennis ball takes up 2 cubic inches of space. How many table tennis balls would I need to fill a pool with 450 cubic feet of space?

Question

Each table tennis ball takes up 2 cubic inches of space. How many table tennis balls would I need to fill a pool with 450 cubic feet of space?

Answer 1

(2 cubic inches/table tennis ball) * (1 ft/12 in)^3 * (x table tennis balls) = 450 cubic feet

x = 388800 table tennis balls

Answer 2

450(12")(12")(12") = 777,600 in³

 

777,600/2 = your answer