An IT shop sells laptops, tablets and mobile phones. The composite bar chart shows information on sales over the last three year
800
a) How many laptops were sold in 2017
700
100
600
500
Number sold
b) Work out the total number of mobile
phones sold in the 3 years.
120+220+260=600
400
300
200
100
c) Which of the items had the greatest
increase in sales over the 3 years?
Give a reason for your answer.
tablets had the greatest increase in
salesover 3 years.