Problema Solution
How many liters of 60% acid solution must be added to 14 liters of a 10% acid solution to produce a 25% acid solution?
Answer provided by our tutors
Let
x = liters of 60% acid solution
0.60x + 0.10*14 = 0.25(x + 14)
........
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........
x = 6 L
Six liters of 60% acid solution must be added.