153 vehicles were re recorded in total,2wice as many travelled north as south no vehincle stoped on d road,3 buses were recorded 12 lorries were recorded.how many travelled north?

Question

Step by step answer

Answer 1

If x travelled south, then 2x travelled north, so in all 2x+x=3x vehicles were recorded, so 3x=153 and x=153/3=51. Therefore 2×51=102 vehicles travelled north.