document.write( "Question 748663: A particular metal ally A has 20% iron and another alloy B contains 60% iron. How many kilograms of each alloy should be combined to create 80 kg of 52% iron alloy \n" ); document.write( "
Algebra.Com's Answer #455567 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A particular metal alloy A has 20% iron and another alloy B contains 60% iron. How many kilograms of each alloy should be combined to create 80 kg of 52% iron alloy \n" ); document.write( "------ \n" ); document.write( "iron + iron = iron \n" ); document.write( "0.20x + 0.60(80-x) = 0.52(80) \n" ); document.write( "--------------------------- \n" ); document.write( "20x + 60*80 - 60x = 52*80 \n" ); document.write( "----- \n" ); document.write( "-40x = -8*80 \n" ); document.write( "x = (1/5)80 \n" ); document.write( "x = 16 kg (amt. of 20% alloy needed) \n" ); document.write( "----- \n" ); document.write( "80-x = 64 kg (amt. of 60% alloy needed) \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " \n" ); document.write( " |