V. Answer the following word problems.
15. What is 30% of 80?
16. In a class of 50 pupils. 40% are girls. Find the number of girls and
boys in the class.
17. Ron scored 344 marks out of 400 while his elder brother Ben scored
582 marks out of 600. Who has a better percentage score?
18. In the final exam of Grade 5 section Jupiter which is composed of 50
pupils, 10% got a failing grade. How many pupils passed the exom.
19. In a 50-item test, Benj got 92% of correct answers. How many items
did he answer correctly?
20. Sarah scored 20 out of 25 items in English, 30 out of 40 items in
Science and 68 out of 80 items in Mathematics. In which subject is Sarah's
score be considered best?
