The pictogram shows information about the number of books sold by a shop on Monday's, Tuesday's, and Wednesday's sales.
| Day | Pictogram |
|---|---|
| Monday | 4 full circles |
| Tuesday | 4 full circles |
| Wednesday | 4 full circles and 1 small circle |
| Thursday |
Key: 1 full circle represents 8 books.
Write down the number of books sold on Wednesday.
12 books were sold in Thursday's sale. Show this information on the pictogram.
What was the total number of books sold across these four days?
