Alcohol mixture

Three liters of 96 percent alcohol we set up a certain amount of distilled water to form a 54-percent alcohol. How many liters of distilled water were used?

Correct result:

x =  2.3333 l

Solution:


3•96/100 = 54/100 • (3+x)

54x = 126

x = 73 ≈ 2.333333

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