document.write( "Question 696763: Milan needs 8 oz of a 20% alcohol solution for a chemistry lab. Unfortunately, his teacher only has a 1% alcohol solution and a 50% alcohol solution.\r
\n" );
document.write( "\n" );
document.write( "How many ounces of the 50% alcohol solution should be mixed with the 1% alcohol solution to make 8 oz of the 20% alcohol solution Milan needs? Round to the nearest tenth of an ounce. \n" );
document.write( "
Algebra.Com's Answer #429282 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! .01X+.50(8-X)=.20*8 \n" ); document.write( ".01X+4-.50X=1.6 \n" ); document.write( "-.49X=1.6-4 \n" ); document.write( "-.49X=-2.4 \n" ); document.write( "X=-2.4/-.49 \n" ); document.write( "X=4.9 OZ. OF 1% ALCOHOL IS USED. \n" ); document.write( "8-4.9=3.1 OZ. OF 50% ALCOHOL IS USED. \n" ); document.write( "PROOF: \n" ); document.write( ".01*4.9+.50*3.1=.20*8 \n" ); document.write( ".049+1.1.55=1.6 \n" ); document.write( "1.6=1.6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |