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Wave erosion causes a certain coastline to recede at a rate of 3 centimeters each year. This occurs uninterrupted for a period of 8 years. How far will the coastline recede in 8 years?

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Answer:

24 cm

Step-by-step explanation:

Given that:

Rate at which coastline recedes per year = 3cm

Recede rate occurred uninterrupted for 8 years ; how far will the coastline recede in 8 years :

3cm per year for 8 years

Hence,

3cm * 8

= 24 cm

The coastline would have recede for 24cm in 8 years