document.write( "Question 182007: How many gallons of gasoline that is 8% ethanol must be added to 2,000 gallons of gasoline with no ethanol to get a mixture that is 6% ethanol? \n" ); document.write( "
Algebra.Com's Answer #136615 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .08*2000=.06(2000+x) \n" ); document.write( "160=120+.06x \n" ); document.write( "-.06x=120-160 \n" ); document.write( "-.06x=-40 \n" ); document.write( "x=-40/-.06 \n" ); document.write( "x=666.56 gal. of gas with no ethanol. \n" ); document.write( "Proof: \n" ); document.write( ".08*200=.06(2000+666.67) \n" ); document.write( "160=.06*2666.67 \n" ); document.write( "160~160 \n" ); document.write( " |