document.write( "Question 567616: A Chemist needs 120 milliliters of a 21% solution but only has 3% and 27% solutions available. Find how many milliliters of 27% solution should be used to the desired solution.
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Algebra.Com's Answer #366658 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A Chemist needs 120 milliliters of a 21% solution but only has 3% and 27% solutions available. Find how many milliliters of 27% solution should be used to the desired solution. \n" ); document.write( "----------------- \n" ); document.write( "t = amount of 3% \n" ); document.write( "s = amount of 27% \n" ); document.write( "---- \n" ); document.write( "t + s = 120 \n" ); document.write( "3t + 27s = 120*21 \n" ); document.write( "---- \n" ); document.write( "Can you do the rest? \n" ); document.write( " \n" ); document.write( " |