Two teams, having different efficiencies, were assigned to paint cars. One team having 12 members can do at a constant rate of 11 cars in 18 hours while other team having 11 members can do at a constant rate of 8 cars in 16 hours. Compare efficiencies of each worker in first teams to that of in second team?
1
11 : 1
2
1 : 11
3
121 : 108
4
108 : 121