SOLUTION: What amount of each mixture, one 95% alcohol and the other 15% alcohol, must be used to make 10 liters of a mixture which is 45% alcohol? What equations will express this problem?

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Question 126448: What amount of each mixture, one 95% alcohol and the other 15% alcohol, must be used to make 10 liters of a mixture which is 45% alcohol? What equations will express this problem?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x="amount of 15%", so 10-x="amount of 95%"

(15%)(x)+(95%)(10-x)=(45%)(10) __ .15x+9.5-.95x=4.5 __ -.8x=-5