PLEASE HELP!! WILL GIVE BRAINLIEST!!

Divide b by a in each table to find the constant of proportionality:
A)
14/2 = 7
35/5 = 7
The constant is 7
B)
360/3 = 120
600/5 = 120
The constant is 120
C)
3/75 = 1/25
8/200 = 125
The constant is 1/25
D)
10/4 = 5/2
15/6 = 5/2
The constant is 5/2