Skip to content / Đến nội dung
ThichHocToan.com

SEAMO 2027 - Paper F - SET 05 - Self-study Question 5

SEAMO · SEAMO 2027 - Paper F - SET 05 - Self-study

Question 5

When 3 new classrooms were opened, the average class size reduced by 10. When 6 new classrooms were opened, the average class size reduced by 16. Find the total number of students.

Interpret both classroom increases relative to the original number of classes, with the same total number of students in each scenario.
  1. 320
  2. 360
  3. 400
  4. 480
  5. None of the above