The pie chart given below shows the sales of 7 different companies. The total sales of all these 7 companies are 1440. The sale of a particular company is shown in terms of degree with respect to the total sales of all these 7 companies.
What is the ratio of average sale of A and B to the average sale of D and E?
1
51 ∶ 186
2
169 ∶ 49
3
63 ∶ 188
4
59 ∶ 177