P6 / Catholic High / 2021 / SA2 / Paper 1 – Q07 [1 mark]

Question:

A schedule of an on-line course is as shown. One activity leads to another without any break in between.
Mrs Lee was 5 minutes late for the Zoom session. She left 10 minutes before the end of the Question-and-Answer session. How long did Mrs Lee attend the on-line course?

Solution: