document.write( "Question 1172688: A grocer mixes chocolates worth 360 pesos per kilo with chocolate worth 400 pesos per
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Algebra.Com's Answer #797780 by ikleyn(52788) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "You may start from this system of 2 equations in two unknowns\r\n" );
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document.write( "       x +    y = 50      kilograms    (mass equation)\r\n" );
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document.write( "    360x + 400y = 372*50  pesos.       (money equation)\r\n" );
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document.write( "You do the rest.\r\n" );
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document.write( "Or, equivalently, you may start with one single equation\r\n" );
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document.write( "    360x + 400*(50-x) = 372*50         (money equation)\r\n" );
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document.write( "and easily solve it \r\n" );
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document.write( "    x =  = 35.\r\n" );
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document.write( "ANSWER.  35 kilo at 360 pesos per kilo and (50-35) = 15 kilo at 400 pesos per kilo.\r\n" );
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