Mathematical wrinkles for teachers and private learners, consisting of knotty problems;mathematical recreations; answers and solutions; rules of mensuration; short methods; helps, tables, etc., (1923)
Jones, Samuel I. (Samuel Isaac), 1880- · Nashville, Tenn., S. I. Jones · leaf 194
re is || of the length in feet. 234. 1|| board feet. 235. Since .0^ = .05, must be .5. 236. 96 acres. 237. 40 rods ; 30 rods ; 1\ acres. 238. A liter of ice weighs 918 grams and a liter of sea water weighs 1030 grams. Then 918 divided by 1.03 equals 891.262 cubic centimeters displaced by one liter… … 239. The distance SF is the hypotenuse of a right triangle = V(15)2 + (39) 2 = 41.78+ ft. 240. $ 563.23 due A. 241. (a) The least time required is 59^-§ seconds past 12. (6) The least time required is 30T\0Y°T seconds past 12. (c) The least time required is l^y minutes past 12.
