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John owns a hotdog stand. He has found that his profit is represented by the equation P=-x^2+78x+89, with P being the profit in dollars,and x the number of hotdogs sold. How many hotdogs must he sell to
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John owns a hotdog stand. He has found that his profit is represented by the equation P=-x^2+78x+89, with P being the profit in dollars,and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?

User Nabuchodonossor
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5 votes
he must sell 158 hot dogs
User Shivaun
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