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24-08-2017
Mathematics

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About 60,000 acres of wetlands are lost each year in the United States. What integer represents the change in wetlands after 4 years?

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YellowGold YellowGold

06-09-2017

Area of wetlands lost per year = 60,000 acres per year
Number of years observed = 4 years
In 4 years:
Area of wetlands lost = 60,000 acres per year X 4 years
Total area of wetlands lost after 4 years = 240,000 acres

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