SOLUTION: A 1-quart bottle full of liquid is 10% alcohol and a 3-quart bottle full of liquid is 30% alcohol.If the two bottles are combined,what is the percentage of alcohol in the mixture?

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Question 296788: A 1-quart bottle full of liquid is 10% alcohol and a 3-quart bottle full of liquid is 30% alcohol.If the two bottles are combined,what is the percentage of alcohol in the mixture?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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A 1-quart bottle full of liquid is 10% alcohol and a 3-quart bottle full of liquid is 30% alcohol.
If the two bottles are combined,what is the percentage of alcohol in the mixture?
:
let x = the percentage of the resulting mixture
:
10(1) + 30(3) = x(1 + 3)
:
10 + 90 = 4x
x = 100%2F4
x = 25%