There is jar of jellybeans on principal coopers desk 40% of the jelly beans are red. there are 28 red jeallybeans how many jelly beans are there in all

“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 .