15. Division of inheritance. One person left an inheritance of 100 dollars, which had to be divided between his sons Alfred and Benjamin. If one third of Alfred's share is subtracted from one quarter of Benjamin's share, 11 dollars will remain. What is the share of each son?
15. Alfred's and Benjamin's shares are equal to 24 and 76 dollars, respectively. Indeed, if 8 (one third of 24) is subtracted from 19 (one quarter of 76), then 11 remains.