Question

a train covers 51 km in 3 hours.calculate its speed.how far does the train go in 30 minutes

Answer 1

speed = distance / time

s= d/t
i) d= 51 km
t= 3hr
s= d/t = 51/3 = 17 km/hr

ii) s= 17km/hr

t= 30 mi = 1/2 hr
d= s*t
d= 17 * 1/2 = 17/2 = 8.5 km
in 30 minutes train travels the distance = 8.5 km

Answer 2

Answer:

Step-by-step explanation:

speed = distance / time

s= d/t

i) d= 51 km

t= 3hr

s= d/t = 51/3 = 17 km/hr

ii) s= 17km/hr

t= 30 mi = 1/2 hr

d= s*t

d= 17 * 1/2 = 17/2 = 8.5 km

in 30 minutes train travels the distance = 8.5 km

Hope helped you