a car covers for 420 km in 3 hours 20 minutes how much time will it take to cover a distance of 80 kilometre
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★ Question:
A car covers 480 km in 3 hours and 20 minutes how much time will it take to cover a distance of 80 kilometre ?
★ Answer:
distance covered by car ,d = 480 km
time taken , t = 3 hours 20 min = 3 hours + (20/60) hours = 3.33 hours
speed = ?
speed = distance / time
= 480/3.33
= 144.144 km / hr
now ;
when the distance covered by the car,d = 80 km
time ,t = ?
and speed = 144.144 km / hr
time = distance / Speed
= 80/144.144
= 0.555 hour
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