Problema Solution

How many liters of a 50% acid solution must be mixed with a 10% acid solution to get 240L of a 40% acid solution.

Answer provided by our tutors

let


x = liters of 50% acid solution

y = liters of 10% acid solution


x + y = 240


0.50x + 0.10y = 0.40*240


by solving the above system of equations we find


x = 180 liters


y = 60 liters


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180 liters of 50% acid solution should be mixed with 60 liters of 10% acid solution.