The given bar graph shows the sales of a pressure cooker from five different shops A, B, C, D and E in the years of 2017 and 2018. Study the graph and answer the question that follows.
What is the ratio of the total sales of shop D for both years to the total sales of E for both years?
1
5 ∶ 3
2
30 ∶ 29
3
6 ∶ 5
4
7 ∶ 6