document.write( "Question 147625: Scott's family grass seed sells for $2.45 per pound and Scott's Spot Filler grass sells for $2.10 per pound. How many pounds of each should be mixed to get a 10 pound mixture that sells for approx. $2.20. \n" ); document.write( "
Algebra.Com's Answer #107997 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Scott's family grass seed sells for $2.45 per pound and Scott's Spot Filler grass sells for $2.10 per pound. How many pounds of each should be mixed to get a 10 pound mixture that sells for approx. $2.20. \n" ); document.write( "----------------------- \n" ); document.write( "EQUATIONS: \n" ); document.write( "Quantity Eq.: x + y = 10 lbs\r \n" ); document.write( "\n" ); document.write( "Value Eq..: 2.45x + 2.10y = 2.20*10 \n" ); document.write( "------------------ \n" ); document.write( "Rearrange: \n" ); document.write( "245x + 210y = 2200 \n" ); document.write( "210x + 210y = 2100 \n" ); document.write( "-------------------- \n" ); document.write( "35x = 100 \n" ); document.write( "x = 2.857 lb of $2.45 seed \n" ); document.write( "y = 10-2.857 = 7.1428 lb of $2.10 seed \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |