The marketing department for a video game company determines that the weekly demand for a new video game console can be modeled by the formula , where n is the number of consoles sold each week at price p. Write the equation for n, and then determine approximately how many consoles will sell at a price of $250.

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.