document.write( "Question 1058199: A metal alloy that is made up of 15% aluminum is combined with a metal alloy
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Algebra.Com's Answer #673240 by ikleyn(52905) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Math model is this system of two equations\r\n" );
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document.write( "    x +     y = 400,\r\n" );
document.write( "0.15x + 0.35y = 0.275*400\r\n" );
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document.write( "Solve it by any method you know.\r\n" );
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document.write( "Alternatively, you can use the model with one equation\r\n" );
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document.write( "0.15x + 0.35*(400-x) = 0.275*400.\r\n" );
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document.write( "Here x is the amount of the 15% aluminium alloy, y is the amount of the 35% aluminium alloy.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is entire bunch of lessons covering various types of mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - More Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving typical word problems on mixtures for solutions \r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for antifreeze solutions \r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for dry substances like coffee beans, nuts, cashew and peanuts\r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for dry substances like candies, dried fruits\r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for dry substances like soil and sand\r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for alloys (*)\r
\n" ); document.write( "\n" ); document.write( "    - Typical word problems on mixtures from the archive\r
\n" ); document.write( "\n" ); document.write( "    - OVERVIEW of lessons on word problems for mixtures\r
\n" ); document.write( "\n" ); document.write( "in this site. One of them, related to alloys, is marked by (*).\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution the mixture word problems.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "It contains many other solved word problems, as well as many other interesting and useful things.\r
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