traneajones9 traneajones9 16-11-2020 Mathematics contestada The teacher is sharpening pencils before a test. He needs to sharpen 40 pencils in 2 minutes. At most, how much time can he spend per pencil? O A 2.5 seconds per pencil OB 3 seconds per pencil Oc. 5 seconds per pencil OD. 20 seconds per pencils