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August 29, 2015

Homework Help: Math

Posted by Jane on Saturday, February 11, 2012 at 9:17am.

Please show me how to set it up and to solve:

A cell phone company sells about 500 phones each week when it charges $75 per phone. It sells about 20 more phones per week for each $1 decrease in price. The company's revenue is the product of the number of phones sold and the price of each phone. What price should the company charge to maximize its revenue?

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