Alcohol mixing

How much must 64% of the alcohol be poured into 6 liters of 85% alcohol to produce 79% alcohol?

Correct answer:

x =  2.4 l

Step-by-step explanation:

0.64x+6 0.85=0.79 (x+6)  0.64 x+6 0.85=0.79 (x+6)  0.15x=0.36  x=0.150.36=2.4  x=512=2.4=2.4 l



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