Problema Solution
How many kilograms of water must be added to 25 kilograms of a 15% salt solution to produce a 5% solution?
Answer provided by our tutors
let
x = kilograms of water to be added
0*x + 0.15*25 = 0.05(x + 25)
by solving we find:
x = 50 kg
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50 kilograms of water must be added.