An aircraft flying at an average speed of 770 km/h takes 15 h to complete a journey. find the time taken by the aircraft to complete the same journey if it's average speed is 600 km / h
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Answered by
24
Speed =770 km/h
Complete journey=15 hours
Distance=Speed×time
=15×770
=11550 km
So now speed=600km/h
Distance=11550 km
Time=Distance/speed
Time=11550/600
=19.25
Since0.25=1/4th
It is 1/4th of an hour
Means=1/4×60
=15 minutes
So time taken=19 hours 15 minutes
Hope it helps you
Thanks
Complete journey=15 hours
Distance=Speed×time
=15×770
=11550 km
So now speed=600km/h
Distance=11550 km
Time=Distance/speed
Time=11550/600
=19.25
Since0.25=1/4th
It is 1/4th of an hour
Means=1/4×60
=15 minutes
So time taken=19 hours 15 minutes
Hope it helps you
Thanks
keerthika1998lekha:
Its not 25 yaar.I have explained it see.please do check.Its 19 hrs 15 mins which is equal to 19.25
yes you are right
It's right.
Thanks to all
What number should be added to the numbers 3,7 and 13 so that they are in a continued proportion? please help me
i have given see it right or wrong
nice answer
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yes
Answered by
40
Answer:
Step-by-step explanation:
Distance = speed × time
Distance = 770 km/hr ×15 hr
Distance = 11550 km
Now, x time is required by an aircraft to complete the journey of 11550 km at an average speed of 600 km / hr.
Distance = speed × time
11550 = 600 × x
x = 11550/600
x = 19.25
Converting 19.25 hours :
=19 hours + 25 percent of an hour
=19 hours + 15 minutes
x = 19 hours 15 minutes
yes this is correct
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