Jonathan goes to the store and purchases 3 pencils for $0.28 each, and x number for erasers for $0.38 each. write an expression that shows how much jonathan spents

“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 .