Michelle buys a motorcycle for $10,000. the motorcycle loses 20% of its value each year. the depreciation of the motorcycle is shown by the graph. after how many years is the value of the motorcycle worth $6400?

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m