Stanley's mother owns a stationary shop. stanley his mother pack 319 pencil cases into packets of 7. in the end, 25 packets of pencils cases were sold. how many pencils cases were not sold?

Yes you do, so £1973.09 - £1473.50 = £499.59 so tim overpaid £499.59 .hope this ; )

“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 .