document.write( "Question 1131279: The grocery store we use does not mark prices on its goods.My wife went to this store, bought two packages of bacon and five cartons of eggs, and paid a total of $14.03. Not knowing that she went to the store, I also went to the same store, purchased five packages of bacon and two cartons of eggs, and paid a total of $19.43. Now we want to return two packages of bacon and two cartons of eggs. How much will be refunded? \n" ); document.write( "

Algebra.Com's Answer #747916 by ikleyn(52790) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "2B + 5C = 14.03      (1)\r\n" );
document.write( "5B + 2C = 19.43      (2)\r\n" );
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document.write( "Add the equation (both sides). You will get\r\n" );
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document.write( "7B + 7C = 14.03 + 19.43\r\n" );
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document.write( "7*(B+C) = 33.46\r\n" );
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document.write( "Now divide both sides by 7:\r\n" );
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document.write( "B + C = 4.78.\r\n" );
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document.write( "Now multiply both sides by 2. You will get\r\n" );
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document.write( "2B + 2C = 9.56.    It is your ANSWER.\r\n" );
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document.write( "Answer.  $9.56.\r\n" );
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\n" ); document.write( "\n" ); document.write( "This problem was specially designed to teach you do not make unnecessary calculations when solving it.\r
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\n" ); document.write( "\n" ); document.write( "Calculating the prices of EACH item is NOT required in this problem.
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\n" ); document.write( "\n" ); document.write( "The problem should be solved exactly in a way as presented in my post.\r
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\n" ); document.write( "\n" ); document.write( "It is IMPORTANT you understand it.\r
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\n" ); document.write( "\n" ); document.write( " H a p p y l e a r n i n g ! !\r
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