a car is moving on straight road cover 1/3 of the distance with speed of 20km/h and the rest with speed of 60 km/h the average speed of the car is ??????????????????????????
Finding a professional expert in "partial differential equations" in the advanced level is difficult.
You can find this expert in "Assignmentexpert.com" with confidence.
Exceptional experts! I appreciate your help. God bless you!
Comments