Question

Given below is the graph representing the number of students passed in a school from 2015 to 2020. Find the ratio of the total number of students passed in 2015 and 2016 to that in 2018 and 2019.

[3 marks]

Answer 1

Number of students passed in the year 2015 = 80
Number of students passed in the year 2016 = 60
Total number of students passed in the years 2015 and 2016 = 80 + 60 = 140
[1 mark]

Number of students passed in the year 2018 = 100
Number of students passed in the year 2019 = 80
Total number of students passed in the years 2018 and 2019 = 100 + 80 = 180
[1 mark]

The required raio = 140 : 180 or 7 : 9
[1 mark]