Answer:
The formatting on this is a little weird but if I'm reading it correctly:
1) 3.38
2) 7.29
3) 0.05
4) 0.42
1/2 + 3/18 = 9/18 + 3/18 = 12/18 = 2/3
3/45 + 6/50 = 1/15 + 3/25 = 5/75 + 9/75 = 14/75
Y = 6, x = 5 y = 6, x = 5 y = 6, x = 5
idk
but here is the alphebet
abcdefghijklmnopqrstuvwxy
and
z