document.write( "Question 81798: Can someone help with this word problem: The profit on a watch is given by P = x2 – 13x – 80, where x is the number of watches sold per day. How many watches were sold on a day when there was a $50 loss? \n" ); document.write( "

Algebra.Com's Answer #58614 by stanbon(75887) $\"\"$ $\"About$

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The profit on a watch is given by P = x^2 – 13x – 80, where x is the number of watches sold per day. How many watches were sold on a day when there was a $50 loss?
\n" ); document.write( "----------------
\n" ); document.write( "-50 = x^2-13x-80
\n" ); document.write( "x^2-13x-30=0
\n" ); document.write( "(x-3)(x-10)=0
\n" ); document.write( "x=3 or x=10
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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