The table shows the number of Primary 4 pupils in Eric School who participated in a Chinese class.
- How many Primary 4 pupils did not participate in the training?
- What is the enrolment of Primary 4 pupils in Eric School?
(a)
Number of pupils who did not participate in each class:
Class 4A → 32 - 22 = 10
Class 4B → 27 - 21 = 6
Class 4C → 31 - 27 = 4
Class 4D → 33 - 29 = 4
Class 4E → 29 - 23 = 6
Total number of pupils who did not participate
= 10 + 6 + 4 + 4 + 6
= 30
(b)
Total enrolment
= 32 + 27 + 31 + 33 + 29
= 152
Answer(s): (a) 30; (b) 152