Question

57. object covers 40 km in first 1/2 hr. 80 km in second 1/2 hr. in fourth 1/2 hr. The average speed is​

Answer 1

Explanation:

60 km ok

Please brainlist me please

Answer 2

Answer:

80 km per hour

Explanation:

because the given time is 1/2 hour and during this car travels 40 kms

and the speed meter of the car is in hours

so we add 1/2+1/2 to get 1

so the car is moving with 80 km per hour and 40 km in half (1/2) hour