document.write( "Question 185444: A grocer wishes to mix some nuts worth $2 a pound with some worth $5 a per pound to make 480 pounds of a mixture to sell at $3 per pound. How many pounds of each should be used? \n" ); document.write( "
Algebra.Com's Answer #139117 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 5x+2(480-x)=3*480 \n" ); document.write( "5x+960-2x=1440 \n" ); document.write( "3x=1440-960 \n" ); document.write( "3x=480 \n" ); document.write( "x=480/3 \n" ); document.write( "x=160 lbs. of %5 nuts is used. \n" ); document.write( "480-160=320 lbs. of $2 mix is used. \n" ); document.write( "Proof: \n" ); document.write( "5*160+2*320=3*480 \n" ); document.write( "800+640=1440 \n" ); document.write( "1440=1440 \n" ); document.write( " \n" ); document.write( " |