Samuel used 1/5 of an ounce of butter to make 1/15 of a pound of jelly. How many ounces of butter is needed to make a pound of jelly?

“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 .