For the first 1 X= 11 because all you need to do is add or subtract the numbers visible.
The second would be 2.
You can tell before you divide 387 by 4, that the first digit of the qoutient is going to be in tens place, because 3 can't go into 4.
Ngl I think it’s 20 because 15 is 5x3 but 60 divided by 3=20 lmk if I’m wrong
10 full glasses 2/3 left over because 2/3 divided by 1/16 equals 32/3 equals 10 2/3
