Rectangle: Ratio Perimeter v Ratio Area

Move the slider "RatioPerimeter" to increase the perimeter of the rectangle. Move the slider "FillPerimeter" to fill the in the area. List the perimeters from 10 to 50 by 10s. List the corresponding areas next to each perimeter. Answer questions below the app.
How does doubling the perimeter affect the area of the rectangle? Tripling? Quadrupling? How is the area ratio affected by the perimeter ratio?