Acertain forest covers an area of 3700 km² suppose that each year this area decreases by 8.25% what will the area be after six years

➷ Find the multiplier:

1 - 0.0825 = 0.9175

final = original x multiplier^n

n is the number of years

Substitute in the values:

final = 3700 x 0.9175^6

Solve:

final = 2207.182081

The area will be 2207.18 km^2

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i am unable to solve this problem

step-by-step explanation:

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional