document.write( "Question 227277: peanuts sell for $3 per pound. cashews sell for $6 per pound. how many pounds of cashews should be mixed with 12 pounds of peanuts to obtain a mixture that sells for $4.20 per pound? \n" ); document.write( "
Algebra.Com's Answer #168960 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 12*3+6x=4.20(12+x) \n" ); document.write( "36+6x=50.4+4.2x \n" ); document.write( "6x-4.2x=50.4-36 \n" ); document.write( "1.8x=14.4 \n" ); document.write( "x=14.4/1.8 \n" ); document.write( "x=8 pounds of cashews is used. \n" ); document.write( "Proof: \n" ); document.write( "12*3+6*8=4.2(12+8) \n" ); document.write( "36+48=4.2*20 \n" ); document.write( "84=84 \n" ); document.write( " |