Question

a train covers 383 4/5 km in 4 3/4 hours . find its average speed

Answer 1

Speed =distance /time
Distance=383 4/5km=1919/5 km
Time=4 3/4 hrs=19/4 hrs
Put the values in formula
Avg speed=1919/5÷19/4
=1919/5×4/19
=404/5=80.8KM/HRS
Or 22.4m/sec

Answer 2

Step-383 4/5km=1919/5 km

4 3/4 hrs=19/4 hrs

Put the values in formula

Avg speed=1919/5÷19/4

=1919/5×4/19

=404/5=80.8KM/HRS

Or 22.4m/s