document.write( "Question 905723: A tank contains 10L of 25% solution of alcohol. How much must be taken from the tank to be replaced by a 5% solution of alcohol so that the vessel will now contain a 10% solution of alcohol? \n" ); document.write( "
Algebra.Com's Answer #549348 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
The concept is exactly the same as this:\r
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\n" ); document.write( "\n" ); document.write( "Drain and Replace: Radiator Antifreeze Mixture\r
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\n" ); document.write( "\n" ); document.write( "The algebra and arithmetic is what is important; NOT the identity of the substance dissolved.
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