The answer i think would be D
A hillside of course my friend
The average speed of the car for the entire trip can be calculate by using:

where S is the total distance covered by the car, and t is the total time taken.
The total distance travelled by the car is:

while the total time taken is:

so, the average speed of the car is:

so, the correct answer is (3) 85 km/h.
Pls give me brainliest!!!
Answer:
get a tutor or something to help man
Explanation: