document.write( "Question 758822: a chemist needs 90 milliliters of a 26% solution but has only 21% and 30% solutions available. Find how many milliliters of each that should be mixed to get the desired solution \n" ); document.write( "
Algebra.Com's Answer #461676 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! a chemist needs 90 milliliters of a 26% solution but has only 21% and 30% solutions available. Find how many milliliters of each that should be mixed to get the desired solution \n" ); document.write( "------------------ \n" ); document.write( "s = amount of 21% \n" ); document.write( "t = amount of 30% \n" ); document.write( "---- \n" ); document.write( "s + t = 90 (total solution) \n" ); document.write( "21s + 30t = 26*90 (total of what's in it) \n" ); document.write( "---------- \n" ); document.write( " \n" ); document.write( " |