Problema Solution
A gardens dimensions is 10 meters by 34 meters. You want to put a walkway around the garden. If the total area of the garden and walkway is 640 meters squared, what is the width, x, of the walkway?
Answer provided by our tutors
the total area of the garden and walkway is 640 meters squared
(10 + 2x)(34 + 2x) = 640
by solving we find and consider the positive roots (the length can not be a negative number)
x = 3 m
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the width of the walkway is 3 meters.