7. Suppose the following table gives the width (in feet) of a garden as measured x feet from the left end. X O 100 200 300 400 500 600 700 800 900 1000 width O 80 85 95 110 105 100 100 105 110 0 If the garden requires a pound of fertilizer for every 200 square feet of area, estimate the amount of fertilizer that is required for the garden