In the table below the results of the car speed survey from HWY 401 are presented. All cars with the speeds from intervals (v;-5km, v;+5km) are attributed the same velocity (V;) ni number of cars vi speed of cars 1 13 80 90 68 100 238 110 318 120 102 130 70 140 45 150 25 160 170 180 7 3 Find the average speed of the car measured in this survey. State your answer to the nearest tenth of km/h.

In the table below the results of the car speed survey from HWY 401 are presented. All cars with the speeds from intervals (v;-5km, v;+5km) are attributed the same velocity (V;) ni number of cars vi speed of cars 1 13 80 90 68 100 238 110 318 120 102 130 70 140 45 150 25 160 170 180 7 3 Find the average speed of the car measured in this survey. State your answer to the nearest tenth of km/h.