I only know one and i would say that it is the first one .
Y=5/x+3
98
2 49
7 7
so the answer is 2 x 7 x 7, which is 2 x 7^2
5
11*---
8
----------
2
----
3
next
55
------
8
= ---------
2
------
3
next
3(55)
= ---------
16
next
165
= --------- or 10.3125
16
7/9 of his trees are oak trees
She may or may not because it depends on how much is the food and drink