Problema Solution
A walkway of uniform width has area 72 m squared and surrounds a swimming pool that is 8 m wide and 10 m long. Find the width of the walkway.
Answer provided by our tutors
let w = the width of the walkway, w>0
(8 + 2w)(10 + 2w) - 8*10 = 72
by solving we find:
w = 1.68 m
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the width of the walkway is 1.68 meters.