A box of books has a mass of 4.10 kilogram for ever meter of its height a box of
A box of books has a mass of 4.10 kilogram for ever meter of its height a box of magazines has a mass of 3 pounds for every foot of its height which box has a greater mass per unit of height? Use 1lb = 0.45 and 1m = 3.28 ft round your answer to the nearest tenth