If m is midpoint of ut, name a segment parallel to ru

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.

How do you convert 1.27 to a percentage

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.