document.write( "Question 309010: How do I find the answer to this problem?\r
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document.write( "Recovering an investment. The manager at Cream of
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document.write( "the Crop bought a load of watermelons for $200. She
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document.write( "priced the melons so that she would make $1.50 profit on
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document.write( "each melon. When all but 30 had been sold, the manager
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document.write( "had recovered her initial investment. How many did she
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document.write( "buy originally?
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Algebra.Com's Answer #221155 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! x = number of watermelons\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\" She priced the melons so that she would make $1.50 profit on each melon\" ___ p = (200/x) + 1.50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"When all but 30 had been sold, the manager had recovered her initial investment\" ___ (x-30)(p) = 200\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "200x - 6000 + 1.5x^2 - 45x = 200x ___ x^2 - 30x - 4000 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "factoring ___ (x - 80)(x + 50) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 80 \n" ); document.write( " |