document.write( "Question 905836: Bucks grass seed sells for $2.45 per pound and jacks grass seed sells for $2.10 per pound. How many pounds of each should be mixed to get a 10 pound mixture that sells for $2.20 per pound? \n" ); document.write( "
Algebra.Com's Answer #549549 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+b=10, \n" ); document.write( "2.45*a+2.10*b=2.20*10 \n" ); document.write( "a=10-b \n" ); document.write( "2.45*(10-b)+2.1*b=22.0 \n" ); document.write( "24.5-2.45b+2.1*b=22.0 \n" ); document.write( "-0.35*b=-2.5 \n" ); document.write( "b=7.14285714 \n" ); document.write( "a=10-b \n" ); document.write( "a=2.85714286 lb. at $2.45 b=7.14285714 lb. at $2.10 \n" ); document.write( "check \n" ); document.write( "2.45*2.85714286+2.1*7.14285714=2.2*10 \n" ); document.write( "7.0+15.0=22.0 \n" ); document.write( "22.0=22.0 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |