Question 355837
How much developer is in the 8 pints? 
{{{8 * 0.6 = 4.8}}} pints

So now, how many pints of 24% liquid would have that same 4.8 pints of developer in it?

{{{y * 0.24 = 4.8}}}
{{{y = 4.8/0.24}}}
{{{y = 20}}} total pints

So how much do you have to add? 20-8 = 12 pints of pure water