document.write( "Question 1006970: A metal alley is a metal made by blending two or more types of metal. A jeweler has supplies of two metal alloys. One metal alloy is 30% gold and the other is 10% gold. How much of each alloy should the jeweler combine to create 4 kilograms of an alloy containing 15% gold? \n" ); document.write( "
Algebra.Com's Answer #623025 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A metal alley is a metal made by blending two or more types of metal. A jeweler has supplies of two metal alloys. One metal alloy is 30% gold and the other is 10% gold. How much of each alloy should the jeweler combine to create 4 kilograms of an alloy containing 15% gold?\r \n" ); document.write( "\n" ); document.write( "let x=amt 0f 30% alloy to use \n" ); document.write( "4-x=amt 0f 10% alloy to use \n" ); document.write( "30%x+10%(4-x)=15%*4 \n" ); document.write( ".30x+.40-.10x=0.60 \n" ); document.write( ".20x=0.20 \n" ); document.write( "x=1 \n" ); document.write( "4-x=3 \n" ); document.write( "amt 0f 30% alloy to use=1 kg \n" ); document.write( "amt 0f 10% alloy to use=3 kg \n" ); document.write( " |