A watermelon, mom ate 3 / 8, dad and I ate 2 / 8 of this watermelon. Has this watermelon finished

A watermelon, mom ate 3 / 8, dad and I ate 2 / 8 of this watermelon. Has this watermelon finished

2/8*2=4/8
4/8+3/8=7/8
7/8＜1
I haven't finished

A watermelon, my mother ate 3 / 8, my father and I ate 2 / 2 of this watermelon. Is this watermelon finished?
The first pot weighs 4kg, the second one weighs 13kg, and the third one weighs 15kg. What's the weight of each pot, Finally, I drank all the glasses. Did Xiao Guang drink more orange juice or water?
Two eighths of this watermelon

The first question is unclear. The second one weighs one-third of a kilogram. The third one drinks as much orange juice as water

A watermelon, my mother and Xiao Fang each ate a quarter of it, my father ate the remaining quarter, my father ate a few of this watermelon?

Mother and Xiao Fang ate half, and father ate a quarter of half, that is to say, father ate an eighth of the whole watermelon