document.write( "Question 1039853: A Pesticide applicator needs to have 100 gallons of a pesticide solution with 8% copper. He has several barrels in his shop containing copper solutions; one is a 2% solution and the other is a 9% solution. How many gallons of each will be required to obtain 100 gallons of an 8% copper solution? \n" ); document.write( "
Algebra.Com's Answer #654611 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! .09n+.02(100-n)=.08(100) \n" ); document.write( ".09n+2-.02n=8 \n" ); document.write( ".07n=6 \n" ); document.write( "n=6/.07=85.71 gallons of 9% copper;100-85.71=14.29 gallons of 2% solution!!!!!!!!!!! \n" ); document.write( " |