document.write( "Question 1205576: A 20.80 gift box of candy contains 2 varieties. One type costs 1.60/kg and the other costs $1.80/kg. The number of kg at 1.80 is twice the number of kg as $1.60. Find the number of kg of each type of candy. \n" ); document.write( "

Algebra.Com's Answer #842473 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "A 20.80 gift box of candy contains 2 varieties.
\n" ); document.write( "One type costs 1.60/kg and the other costs $1.80/kg.
\n" ); document.write( "The number of kg at 1.80 is twice the number of kg at $1.60.
\n" ); document.write( "Find the number of kg of each type of candy.
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document.write( "x   kilograms at $1.60 per kilo.\r\n" );
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document.write( "2x  kilograms at $1.80 per kilo.\r\n" );
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document.write( "Total money equation\r\n" );
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document.write( "    1.60*x + 1.80*(2x) = 20.80  dollars.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    1.60x + 3.60x = 20.80\r\n" );
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document.write( "        5.20x     = 20.80\r\n" );
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document.write( "            x     = 20.80/5.20 = 4.\r\n" );
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document.write( "ANSWER.  4 kilograms candy at $1.60  and 2*4 = 8 kilograms candy at $1.80.\r\n" );
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\n" ); document.write( "\n" ); document.write( "The solution of the other person has arithmetic ERRORS and, THEREFORE, is INCORRECT.\r
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