document.write( "Question 1132366: A tank holds 80 liters of a chemical solution. Currently, the solution has a strength of 30%. How much of this solution must be DRAINED and REPLACED with a 70% solution to get a strength of 40%? (use only one variable and thanks in advance) \n" ); document.write( "
Algebra.Com's Answer #749394 by josgarithmetic(39632)\"\" \"About 
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https://www.algebra.com/my/drain-and-replace-antifreeze.lesson?content_action=show_dev
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