document.write( "Question 1007274: a metal worker has a 30% copper and another alloy that is 60% copper. how many killograms of each alloy should the metal worker combine to create 80 kg of a 48% copper alloy \n" ); document.write( "
Algebra.Com's Answer #623273 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! a metal worker has a 30% copper and another alloy that is 60% copper. how many killograms of each alloy should the metal worker combine to create 80 kg of a 48% copper alloy\r \n" ); document.write( "\n" ); document.write( "let x=amt of 30% alloy to use \n" ); document.write( "80-x=amt of 60% alloy to use\r \n" ); document.write( "\n" ); document.write( "30%x+60%(80-x)=48%*80 \n" ); document.write( ".30x+48-.60x=38.4 \n" ); document.write( ".30x=9.6 \n" ); document.write( "x=32 \n" ); document.write( "80-x=48 \n" ); document.write( "amt of 30% alloy to use=32 kg \n" ); document.write( "amt of 60% alloy to use=48 kg \n" ); document.write( " |