document.write( "Question 994426: A grocer mixes peanuts that cost $2.49 per pound and walnuts that cost $3.49 per pound to make 100 pounds of a mixture that costs $2.99 per pound. How much of each kind of nut is put into the mixture? \n" ); document.write( "
Algebra.Com's Answer #613501 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! peanut pounds=p \n" ); document.write( "walnut pounds=w \n" ); document.write( "p+w=100 \n" ); document.write( "2.49p+3.49w=299 (2.99*100) \n" ); document.write( "but p=(100-w) \n" ); document.write( "2.49(100-w)+3.49 w=299 \n" ); document.write( "249-2.49w +3.49 w=299 \n" ); document.write( "w=50 lb \n" ); document.write( "p=50 lb \n" ); document.write( "Notice that this makes sense, since the price of the combination is exactly between the price of each, so each one constitutes half. \n" ); document.write( " |