Read the bar graph (Fig 3.4) and answer the questions that follow:Number of books sold by a bookstore during five consecutive years.(i) About how many books were sold in 1989? 1990? 1992?(ii) In which year were about 475 books sold? About 225 books sold?(iii) In which years were fewer than 250 books sold?(iv) Can you explain how you would estimate the number of books sold in 1989?

Explanation

To solve the question based on the bar graph showing the number of books sold by a bookstore during five consecutive years, we will analyze the data step by step.

### Step 1: Extract Data from the Bar Graph
We need to read the bar graph carefully to extract the number of books sold in each year.

- **1989:** Approximately 180 books
- **1990:** Approximately 480 books
- **1991:** Approximately 300 books
...