document.write( "Question 897837: A chemist needs 110 milliliters of a 32% solution but has only
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document.write( "29% and 40% solution available. Find how many milliliters of each
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document.write( "That should be mixed to get the desired solution. \n" );
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Algebra.Com's Answer #544357 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A chemist needs 110 milliliters of a 32% solution but has only \n" ); document.write( " 29% and 40% solution available. Find how many milliliters of each \n" ); document.write( "That should be mixed to get the desired solution. \n" ); document.write( "-------- \n" ); document.write( "Equation: \n" ); document.write( "active + active = active \n" ); document.write( "0.29x + 0.40(110-x) = 0.32*110 \n" ); document.write( "------ \n" ); document.write( "29x + 40*110 - 40x = 32*110 \n" ); document.write( "-11x = -3*110 \n" ); document.write( "x = 10*3 = 30 ml (amt. of 29% solution needed) \n" ); document.write( "110-x = 80 ml (amt. of 40% solution needed) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |