Problema Solution
how much pure water must be mixed with 6 pints of 60% developer to produce a mixture that is 13% developer?
Answer provided by our tutors
let
x = pints of 100% pure water with 0% developer
0.60*6 + 0*x = 0.13(6 + x)
by solving we find:
x = 21.69 pins
click here to see the step by step solution of the equation:
21.69 pins of pure water must be used for the mix.