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

6-23.

Revenue = (profit)(number sold)

Calculate the current revenue:

Profit:

Number sold:

Adjust the current revenue equation:

Let *x* = 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

*.*