Question 1119116
Notice that 4% is  {{{2/3}}} of 6%.
Add 1 liter of water.




Literal transcription with algebra to solve:
x, how much volume water to add;

{{{2*0.06/(x+2)=0.04}}}


{{{2*6/(x+2)=4}}}


{{{3/(x+2)=1}}}


{{{3=x+2}}}


{{{highlight_green(1=x)}}}