Monday, June 4, 2012

Surfing For How Many Liters Of A 30 Alcohol Solution?

Linda asks…How many liters each of available supply should he use?Johnny has to make 28 liters of 48 3/4% alcohol solution. What is available for him is an abundant supply of 65% and 30% alcohol solutions.Nancy answers:Liters of 65% alcohol solution—x:
0.65x + 0.3(28 - x) = 0.4875(28)
0.65x + 8.4 - 0.3x = 13.65
0.35x = 5.25
x = 15

Liters of 30% alcohol solution:
= 28 - 15
= 13

Answer: 15 liters 65% alcohol solution & 13 liters 30% alcohol solutionThomas asks…How do I solve this

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