Asked by help please

A square garden has a walkway 3 ft wide around its outer edge.
If the area of the entire garden, including the walkway, is 18,000 ft2, what are the dimensions of the planted area?

Answers

Answered by oobleck
(x + 2*3)^2 = 18000
(x+6)^2 = 18000
x+6 = 60√5
x = 60√5 - 6 ≈ 128.16 ft on a side
Answered by help please
why do you multiply 2*3?
Answered by oobleck
really? draw the diagram
there is a walkway on both left and right sides, so the width is increased by 6, not 3

same for top and bottom
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