document.write( "Question 412860: We have a 20% alcohol solution and 50% alcohol solution. How many pints must be used from each to obtain 8 pints of a 30% solution? \n" ); document.write( "
Algebra.Com's Answer #289940 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "20 ---------------- x \n" ); document.write( "50 ---------------- 8-x \n" ); document.write( "30.00% ---------------- 8 \r \n" ); document.write( "\n" ); document.write( ".. \n" ); document.write( "20x+50(8 -x)=30*8 \n" ); document.write( "20x+400- 50x=240 \n" ); document.write( "20x-50x =240-400 \n" ); document.write( "-30x=-160 \n" ); document.write( "/-30 \n" ); document.write( "x=5.33 20% alcohol \n" ); document.write( "Balance 2.67 50% alcohol \n" ); document.write( " \n" ); document.write( " |