running at a average speed of 40kmph a bus compleates a journey in 4 1/2 hours how much time will the journey take if speed is increqsed to 45kmph
Answers
Answered by
1
Speed=40 kmph
Time=4+1/2hrs=9/2hrs.
Dist.=speed×time=180 km.
Now, speed=45kmph
So, time=dist÷speed=180/45 hrs=4 hrs.
Ans=4hrs.
Hope it helps.
Time=4+1/2hrs=9/2hrs.
Dist.=speed×time=180 km.
Now, speed=45kmph
So, time=dist÷speed=180/45 hrs=4 hrs.
Ans=4hrs.
Hope it helps.
Arshnoorsingh:
thanks
how this 9/2 hours have come
4+1/2=8+1/2=9/2.
Just add the fraction with the whole number.
Similar questions