Pictograms

The pictogram below shows the number of people taking the ferry at a pier on a certain week.

1. Which days have the same number of people taking the ferry?
2. Find the total number of people taking the ferry for the whole week.
3. Which day has the greatest number of people taking the ferry? Hence express the number of people taking the ferry on this day as a percentage of the total number of people taking the ferry for the whole week, correcting your answer to \(3\) significant figures.