X/100 x 3 = 3.21
x = 3.21/3 x 100
=107
107-100=7%
130% because if 80 =100% you take way 80 fro 184 to get 104 and get the % of that
-28-(-24)=-4
14-18=-4
28-32=-4
Any of these should work and there are plenty more that would work as well
The correct answer was no need to pay taxes. Not D. Apex confirmed