Believe me, I am NO mathematician. However. Dot has 20 gumballs. Jack has 40. Joe has 1/3 or 13 and 1/3. Good so far? Dot gives Jack half, she now has 10 and he has 50. He chews 25, leaving him 25. Right? So, we have amounts of 10, 25 and 13 and 1/3. So the lowest amount is 10, which would mean taking 15 from Jack and 3 and 1/3 from Joe. Or 18 and 1/3 altogether. Am I wrong? OR, does the teacher take away ALL their gumballs and redistribute them? But I still can’t get away from that 1/3 gumball.