### Home > CALC > Chapter 6 > Lesson 6.1.2 > Problem 6-23

6-23.

An electronics store purchases stereos from a supply company at a cost of

Revenue = (profit)(number sold)

Calculate the current revenue:

Profit:

Number sold:

Adjust the current revenue equation:

Let the number of times the price is decreased by

Optimize (that is, use derivatives to find the optimal value of ). But note, the question is asking about price, not

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