alleryAn 8 m×6 m lawn has a uniform outer path with a rectangular boundary. Total area is 168 m². Width?
A4 m
B5 m
C3 m
D2 m
Answer & Solution
Correct answer: C. 3 m
The outer rectangle satisfies (8+2w)(6+2w)=168, giving the positive path width w=3.
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