For one batch the recipe calls for one and 1 2/3 cups of flour and you want to make 2 1/2 batches how much flour would you need

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