In 15 year., the length of island has changed by -255 CM. If the change in lenght in the same every year. What is the rate of change in the length per year.
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if the rate of change is constant ,this implies that the land was changing with uniform rate every year with this assumption the solution will be as follows..
in 15 year lenght changed by -255 cm therefore,
in 1. year lenght changed will be (-255÷15)
which is. -17 cm every year
.
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