Question

the school bus at started at 8:30 am to carry the children to a picnic spot and reached the spot at 1:15 PM how long did it take to reach the picnic spot. ​

Answer 1

Answer:

We know the speed,distance,time time=

speed

distance

Let the speed be v km/hr and the time taken is thr for the journey to the picnic such that 300=v(t). Using the given information

300=(v−5)(t+2)=(v−5)(

v

300

+2)

300(

v

5

)=2(v−5)⟹v

2

−5v−750=0⟹v=

2

5±55

v=30km/hr⟹t=10hr

time taken for return journey is 12hr.

Answered By

Answer 2

4 hrs 45 min

Step-by-step explanation:

8:30-9:00: 30 min

9:00-10:00: 1hr

10:00-11:00: 1hr

11:00-12:00: 1hr

12:00-1:00: 1hr

1:00-1:15: 15 min

1+1+1+1 (hrs) + 30+15

i.e. 4hrs 45 min