This bar chart shows the sales of the number of bikes by three dealers Avi, Raju, and Vikash in three consecutive years. What is the ratio of the total number of bikes sold by Avi, Raju, and Vikash respectively in three years?
1
120 : 97 : 80
2
140 : 80 : 97
3
180 : 97 : 80
4
160 : 87 : 80