If a barrier island that is 1km wide and 10km long loses 1.5 m of its width per year to erosion by a longshore current, how long will the island take to loose one-fourth of its width.

Question

Please show step by step how to work this problem.

Thank you

Answer 1

1/4 of 1km is 250m

distance=rate(time)
distance=250m
rate=1.5m/year
solve for time.

Answer 2

1/4 of 1km is 250m

Answer 3

166 years

Answer 4

1km= 1,000 meters
1,000 meters/4= 250
250/1.5= 166.6666666 (and so on) years

Answer 5

the answer is 166.66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666.

Answer 6

250

Answer 7

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Answer 8

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Answer 9

for some reason god gave you a brain

Answer 10

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