Problema Solution
Determine the number of liters of a 25% solution that must be mixed with a 50% solution
to obtain 5 liters of a 30% solution
Answer provided by our tutors
0.25x + 0.5 = 5* 0.3
0.25x = 1.5 - 0.5
0.25x = 1
x = 4 litres.
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