Salt content of ethyl brine: 50* 15%=7.5.
After the first fall,
50 ml nail polish, containing 5% salt, concentration 10%.
B 100 ml, salt content 12.5, concentration 12.5%.
After the second fall,
A 100 ml, salt content 5+6.25= 1 1.25, concentration 1 1.25%.
B 50 ml, salt content 12.5/5=6.25, concentration 12.5%.
Update 1: I really can't stand it.
Problems with the existing system
Update 2: I don't have a satisfactory answer, but first, I don't w