document.write( "Question 1086355: A chemist needs 500 milliliters of a solutions that is 20% boric acid and 80% water. She combines x milliliters of a 10% boric acid and 90% water mix and y milliliters of a 30% boric acid and 70% water mix.\r
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Algebra.Com's Answer #700520 by Alan3354(69443)\"\" \"About 
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A chemist needs 500 milliliters of a solutions that is 20% boric acid and 80% water. She combines x milliliters of a 10% boric acid and 90% water mix and y milliliters of a 30% boric acid and 70% water mix.
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\n" ); document.write( "20% is the average of 10% & 30% --> equal amounts.
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