A pupil got 15out of 20 points in a Math test, 16 out of 20 points in English, and 18 out of 20 points in Science tests. In which subject does his grade show the best performance in terms of percentage? what percent is the pupil's performance in : 3. Math 4. English 5. Science 6. In which subject does the pupil's grade show the best performance? 7. In which subject does the pupil's grade show the lowest percent ?​