Question

Suppose we represent the distance above the ground by negative integer.If an elevater descend at the rate of 5m per minute a begin to descend from 15m above the ground what will be it's position after 45minutes

Answer 1

elevator goes down at rate of 5 meters per min

therefore,

position of elevator after 1 min = -5
position of elevator after 60min = -5 into 60 =- 300

elevator is 300meters below ground level




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