document.write( "Question 611231: A dealer has 10,000 gallons of unleaded gasoline. He wants to add just enough ethanol to make the fuel a 10% ethanol mixture. How many gallons of ethanol should be added? \n" ); document.write( "
Algebra.Com's Answer #384929 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A dealer has 10,000 gallons of unleaded gasoline. \n" ); document.write( " He wants to add just enough ethanol to make the fuel a 10% ethanol mixture. \n" ); document.write( " How many gallons of ethanol should be added? \n" ); document.write( ": \n" ); document.write( "Let x = amt of ethanol \n" ); document.write( ": \n" ); document.write( "x = .10(x+10000) \n" ); document.write( "x = .10x + 1000 \n" ); document.write( "x - .1x = 1000 \n" ); document.write( ".9x = 1000 \n" ); document.write( "x = 1000/.9 \n" ); document.write( "x = 1111.11 gal of ethanol required \n" ); document.write( " \n" ); document.write( " |