40. Today Gwen is twice as old as Arni and Arni is 3 years younger than Tess. If Gwen, Arni, and Tess are all alive 4 years from today, which of the following must be true on that day? i. Gwen is twice as old as Arni. ii. Arni is 3 years younger than Tess. iii. Gwen is older than Tess. LNIVERS A. i only B. i only C. i only D. i and i only 41. Consider the Kenken Puzzle: 6+ 12x X What should be the value of y? 3 4+ 4x y . 1 . 2 . 3 D. 4 2+ 1 3 3.