Three girls share 12000 in the ratio 2.3.7 calculate how much each girl will get​

The expressions would be 0.25a

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .