SOLUTION: The profit on a watch is given by P = X2 – 13 X – 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?
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Question 79075: The profit on a watch is given by P = X2 – 13 X – 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?
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
A $50 loss is a profit of -$50.
ie x= 15 or x=-2
Selling -2 watches doesn't make sense so there were 15 watches sold.
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