document.write( "Question 1196288: Olivia bought four composition notebooks and three packs of pencils from the school bookstore and paid $10.93. Jackie bought seven composition notebooks and two packs of pencils and paid $13.31. What is the price of a pack of pencils? (Do not include the $ in your answer).
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Algebra.Com's Answer #829051 by ikleyn(52847) $\"\"$ $\"About$

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\n" ); document.write( "Olivia bought four composition notebooks and three packs of pencils
\n" ); document.write( "from the school bookstore and paid $10.93.
\n" ); document.write( "Jackie bought seven composition notebooks and two packs of pencils
\n" ); document.write( "and paid $13.31.
\n" ); document.write( "What is the price of a pack of pencils? (Do not include the $ in your answer).
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\n" ); document.write( "\n" ); document.write( "Solve using the determinant method.\r
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document.write( "Equations:\r\n" );
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document.write( "    4N + 3P = 10.93\r\n" );
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document.write( "    7N + 2P = 13.31\r\n" );
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document.write( "  ----------------------\r\n" );
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document.write( "    P =  = 1.79.\r\n" );
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document.write( "ANSWER.  A pack of pencils costs 1.79 dollars.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "For such problems, the determinant methos is fastest and most straighforward way to get the answer.\r
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\n" ); document.write( "\n" ); document.write( "On the Determinants' method for solving systems of two linear equations in two unknowns see the lesson \r
\n" ); document.write( "\n" ); document.write( " - Solution of the linear system of two equations in two unknowns using determinant \r
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