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pmccarron1bayern pmccarron1bayern
  • 14-07-2016
  • Mathematics
Answered



A certain forest covers an area of

4100

km2

. Suppose that each year this area decreases by

4.75%

. What will the area be after

5

years?

Verified Answer :

Anonymous Anonymous
  • 14-07-2016

Happy to help :)
after 1 yr- 3905.25 km2
2 yrs- approx. 3719.75 km2
3 yrs- approx. 3543.06 km2
4 yrs- approx. 3374.77 km2
5 yrs- approx. 3214.47 km2

The full decimal for the 5 yr mark is 3214.46557 km2 (not sure if you needed it)

To solve you would convert 4.75% into .0475 as a decimal, then subtract that from 1 (which acts as 100%) and you get .9525, then just multiply that by 4100 and each number that results from that ;)

Answer Link

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