Mathematical wrinkles for teachers and private learners .. (1912)
Jones, Samuel I. (Samuel Isaac), b. 1880 · Gunter, Tex., S.I. Jones · leaf 117
ears younger or B 4 years older, A's age would be | of B's age. Find the ages of A, B, and C. (Solve by arithmetic.) 257. What is the smallest sum of money in pounds, shil- lings, pence, and farthings that can be expressed by using each of the nine digits, 1, 2, 3, 4,5, 6, 7,8, and 9, once and once…
Mathematics · Mathematical recreations
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
