the safe load, l, of a wooden beam of width w, height h, and length l, supported at both ends, varies directly as the product of the width and the square of the height, and inversely as the length. a wooden beam 4 inches wide, 7 inches high, and 240 inches long can hold a load of 2540 pounds. what load would a beam 5 inches wide, 8 inches high, and 216 inches long, of the same material, support? round your answer to the nearest integer if necessary.