"When a shoe costs $80.00, there are 300 sales. Every

ahiahysel 2022-03-04 Answered
"When a shoe costs $80.00, there are 300 sales. Every $5.00 increase in price will result in 10 fewer sales. Find the price that will maximize income."
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zahrkao8vm
Answered 2022-03-05 Author has 10 answers
x is not the price increase, $5 is the price increase.
x is just the number of price increases (like, say, number of five-dollar bills customer would have to pay extra) and also the corresponding number of sales decreases (each decrease is 10 sales).
One price increase brings one sales decrease, so: y=(80+51)(300101).
Two price increases bring two sales decreases:
y=(80+52)(300102).
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