Question

11. Suppose we represent the height above the ground by a positive integer and depth
below the ground by a negative integer, then answer the following:
(a) An elevator descends from ground into a mine shaft at the rate of 7 m per minute.
What will be its position after one hour?
(b) If it starts descending from 25 m above the ground at the rate of 5 m per minute,
what will be its position after 50 minutes?
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Answer 1

Answer:

7*60 as asked per meter. 25 added to the end of the answer then 5*60

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Answer 2

Step-by-step explanation:

7×60 as asker per m . 25 added to the end of the answer then 5×60

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