document.write( "Question 107196: Susan wants to mix 10 pounds of Virginia nuts that cost 3.50 a pound with spanish nuts that cost 3.00 a pound to obtain a mixture that costs 3.40 a poound. How many pounds of spanish nuts should she use? \n" ); document.write( "
Algebra.Com's Answer #77997 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 10*3.5+3X=3.4(10+X) \n" ); document.write( "35+3X=34+3.4X \n" ); document.write( "3X-3.4X=34-35 \n" ); document.write( "-.4X=-1 \n" ); document.write( "X=-1/-.4 \n" ); document.write( "X=2.5 NUMBER OF POUNNDS OF SPANISH NUTS ARE NEEDED. \n" ); document.write( "PROOF \n" ); document.write( "10*3.5+3*2.5=3.4(10+2.5) \n" ); document.write( "35+7.5=3.4*12.5 \n" ); document.write( "42.5=42.5 \n" ); document.write( " |