an elevator is 250 m below the ground level and it a ascends
at the rate of 5 minute per minute find how much time it will take to reach 30 m above the ground
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dist to travel by elevator = 250 - 30 = 220 m
speed of elevator = 5 m/min
speed = dist / time
time = dist./ speed = 220/5 min
time = 44 min.
speed of elevator = 5 m/min
speed = dist / time
time = dist./ speed = 220/5 min
time = 44 min.
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