Math, asked by aditya5980, 11 months ago

an elevator descends into a shaft at the rate of 3 Metre per minute. if the descend starts from 40 m above ground level, how long will it take to reach - 20 Metre

Answers

Answered by pgomathikrishna

1

Answer:6.6 mins

Step-by-step explanation: 40-20=20

20÷3=6.6

Answered by siddu5494

5

Descended length=40-(-20)=60m

per minute about 3m length is descended so for 60m length

time=60/3=20m

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