Question

a motorcyclist drives from A to B with a uniform speed of 30 km per hour and returns back with the speed of 20 km per hour find the average speed​

Answer 1

average speed=distance/time

so total distance =20+30=50

total time =2

50/2=25

so average speed =25km/hr

Answer 2

Answer:

average speed=distance/ time

so total distance= 20+39=50 total time=2

50/2=25

so average speed=25km/ hr