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Question

Following bar graph shows the number of books sold by a bookstore during five consecutive years. [3 MARKS]

a) In which year, 200 books were sold?

b) How many books were sold in the year 1989?

c) What is the difference between the number of books sold in 1993 and 1992?

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Solution

Each part: 1 Mark

The various inferences that we can draw from the above bar graph are:

In 1989 100 books were sold.

In 1990 200 books were sold.

In 1991 600 books were sold.

In 1992 300 books were sold.

In 1993 400 books were sold.

a) As we can see from the above bar graph, 200 books were sold in 1990.

b) In 1989, 100 books were sold.

c) Number of books sold in 1993 = 400

Number of books sold in 1992 = 300

∴ The difference in the number of books sold in 1993 and 1992 = 400 - 300 = 100.

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