What is the ratio of the total sales of branch B2 for both years to the total sales of branch B4 for both years ?
A
2:3
B
3:5
C
4:5
D
7:9
Correct Answer: 7:9
The required ratio = Total salse of B2 : Total salse of B4 = ( 75 + 65) : ( 85 + 95) = 140 : 180 = 7 : 9