Write the fraction
16/24
in simplest form

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

We just started the introduction into circles and i have no idea how to do this.

4+(2+x) can you me solve this problem