Question

EXAMPLE 5 Suppose we represent the distance above the ground by a positive integer
and that below the ground by a negative integer, then answer the following:
An elevator descends into a mine shaft at the rate of 5 metre per minute. What will
be its position after one hour?
(i) Ifit begins to descend from 15 m above the ground, what will be its position after 45
minutes?​

Answer 1

Answer:

j. f d. d r r f. s t y d s. u c. x. x

Step-by-step explanation:

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