ANSWER TO PROBLEM
... The three terms are, 3. 5. 7. The two first, 3 + 5 = 8, the rational cube. 3 + 3-1-7 = 15, the sum of the thrte. 3x5x7 = 105, tbe rectaugte of the three. W. We have hecn futnished with the same answer from An Old Sol- (her, and other correspondents one of whom, E. proposes the lowing Required the dimensions of a barge, the proportions of which are as 3 to 1, that will pass the angle of a ...