Example 1.

Using the
graph below answer the following six questions.

a) How many more oranges were sold in the third year than the
first year?

b) Which
fruit sold the second most tonnes over the whole of the four
years?

c) What
was the percentage increase in apple sales between year 3 and
year 4?

d) How many
tonnes of fruit were sold in total?

e) If 20%
more bananas were sold in year 5, how many tonnes were sold?

f) If 40%
less apples were sold in year 5, how many tonnes were sold?

(You should
be able to answer these questions in less than five minutes.)