Help please, my friend is in 6th grade and he doesn’t understand :’)

Answer:
9.If 3 cups of water is 13 then we can assume each cup is 4 so 10x4 is 40 so 40 in weight
(do the rest for the table)
Step-by-step explanation:
Answer:
The answer to number 9 is 40
Step-by-step explanation:
3 cups =12 so 3x3=9 which = 36 then one more till ten so 12 divided by 3 is 4 36+4 is 40