John and Nathan share a reward of $140 in a ratio of 2:5. What fraction of total
reward does John get?

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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