Question

at an average speed of 45 km/hr a bus covers a cetain distance of in 3 hours 20 min how long will it take to cover same distance at a speed of 36 km/hr ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? plssssssssss hhhhhhhheeeeeeeeeeeelllllllllllllppppppppppppppp mmmmmmmmmmmeeeeeeee !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Answer 1

Speed = 45 km/h

Distance = 42×10/3

= 15 × 10 = 150 km

Now speed = 36 km/h

Distance = 150 km

Time = 150/36

= 25/6

4 hours 10 minutes

hope it helps

Answer 2

Answer:

distance=speed ×time

d=45×3×1/3

d=45km

at a speed of 36km/hr

d=45km

d=s×t

t=d/s

so t=1hr