Father drove 176 km in 7 hours. For the first 92 km he spent for 4 hours. What was his average speed for the remaining journey? km/h

Given :

Father drove 176 km in 7 hours.

For the first 92 km he spent for 4 hours.

To Find :

His average speed for the remaining journey .

Solution :

Therefore , his average speed for the remaining journey is 27.28 km/h .

Hence , this is the required solution .

think its the third option

because if the tool that you are using is not balanced it there would be false mass.