in 15 years the length of an island has changed by -255 CM if the change in length is the same every year what is rate of change in the length per year
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it took 15 year to change length by 255 cm
so divide 255 by 15
255/15=51/3
ans is 51/3 cm per year
manishpandey3rd:
only -255/15= -17
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