document.write( "Question 977024: The modern grocery has cashews that sell for $4.50 a pound and peanuts that sell for $2.50 a pound. How much of each must the grocer mix to get 80 pounds of mixture that he can sell for $3.00 per pound. Write a system of linear equations and solve. \n" ); document.write( "
Algebra.Com's Answer #598516 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! The modern grocery has cashews that sell for $4.50 a pound and peanuts that sell for $2.50 a pound. How much of each must the grocer mix to get 80 pounds of mixture that he can sell for $3.00 per pound. Write a system of linear equations and solve. \n" ); document.write( "*** \n" ); document.write( "let x= amt of cashews to mix \n" ); document.write( "let y=amount of peanuts to mix \n" ); document.write( "x+y=80 \n" ); document.write( "y=80-x \n" ); document.write( ".. \n" ); document.write( "4.50x+2.50y=3.00*80 \n" ); document.write( "4.50x+2.50(80-x)=3.00*80 \n" ); document.write( "4.50x+200-2.50x=240 \n" ); document.write( "2.00x=40 \n" ); document.write( "x=20 \n" ); document.write( "80-x=60 \n" ); document.write( "amt of cashews to mix=20 lbs \n" ); document.write( "amount of peanuts to mix=60 lbs \n" ); document.write( " |