Question

Distance=15 km
time taken=20 min
speed=

Answer 1

Answer:

Step-by-step explanation:

speed=distance/time

15km=15000m

20minutes=1200s

thereofore speed = 15000/1200=12.5m/s

Answer 2

Step-by-step explanation:

$speed = \frac{distance}{time}$

1 km = 1000 m

15 km = 15000 m

1m = 60 sec

20 m= 20×60=1200 sec

$speed = \frac{15000}{1200} = 12.5 \frac{m}{s}$

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