document.write( "Question 386611: Bill bought 2 pens for $9.00. Which of the following equation shows the relation between the cost of pens, c, and the number of pens, x, bought? What will the cost of 10 pens be?
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Algebra.Com's Answer #273292 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Bill bought 2 pens for $9.00.  Each cost $4.50
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document.write( " c = 4.5x      c = $4.50*10 = 45 \n" );
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