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)\"\" \"About 
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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( "
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