when
(Cornell.)
4. Find the value of x if
(M. I. T.)
5. A fisherman told a yarn about a fish he had caught. If the fish were half as long as he said it was, it would be 10 inches more than twice as long as it is. If it were 4 inches longer than it is, and he had further exaggerated its length by adding 4 inches, it would be
as long as he now said it was. How long is the fish, and how long did he first say it was? (M. I. T.)
6. The force P necessary to lift a weight W by means of a certain machine is given by the formula