A coastline recedes at a rate of 3cm per year. How much of the coastline dissappears after 4 years?
1 answer:
Answer:
12 cm of coastline
Step-by-step explanation:
Multiply the years (factor) by the receding amount, 3cm, (constant) BAM answer.
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Step-by-step explanation:
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Step-by-step explanation:
1. 
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Step-by-step explanation:
1/2 is the same thing as 2/4 so.... 2/4 minus 1/4 is 1/4
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