Question

a car travels up hill at a constant speed of 30 km h-¹ and returns down the hill at a constant speed of 60 km h-¹ . calculate the average speed of the whole trip​

Answer 1

Answer:

60 + 30 / 2

45km/h is average speed

Answer 2

Answer:

$\huge{\pink{\boxed{\blue{\boxed{\pink{40 km/h}}}}}}$

Please see the attachment in the above.

Please make this answer as brilliant answer.

Please.