document.write( "Question 365356: How much pure alcohol must be added to 50 gallons of gasohol that is 10% alcohol to make gasohol that is 20% alcohol? \n" ); document.write( "
Algebra.Com's Answer #260515 by mananth(16946)![]() ![]() You can put this solution on YOUR website! How much pure alcohol must be added to 50 gallons of gasohol that is 10% alcohol to make gasohol that is 20% alcohol? \n" ); document.write( "... \n" ); document.write( "pure alcohol ------------100%---------x gallons \n" ); document.write( "solution ----------------10%----------50 gallons of gasohol \n" ); document.write( " gasohol---------------- 20%-----------x+50 gallons \n" ); document.write( ".. \n" ); document.write( "x*1+50*0.1=(x+50)*0.2 \n" ); document.write( "multiply by 10 \n" ); document.write( "10x+50=2(x+50) \n" ); document.write( "10x+50=2x+100 \n" ); document.write( "8x=50 \n" ); document.write( "/8 \n" ); document.write( "x= 50/8 \n" ); document.write( "x= 6.25 gallons of pure alcohol. \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |