Answer:
Step-by-step explanation:
Substitute into second equation:
Substitute and into the third equation:
Substitute into :
Plug in y and z values into :
Both have the same denominator
Remove the denominator
5=n
Equal to a+b on the algebra
N = N (1+0.20)^5
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Here, that'd be 10000(1.20)^5, or 24883 trees.