A landscape architect is planning a new mature area in the middle of an urban campus. She wants the length to be twice the width, and wants to put a 3-foot-high retaining wall around the perimeter. There will be 309 Total feet of wall installed. How wide will this area be?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.10: Inverse Variation
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A landscape architect is planning a new mature area in the middle of an urban campus. She wants the length to be twice the width, and wants to put a 3-foot-high retaining wall around the perimeter. There will be 309 Total feet of wall installed. How wide will this area be? 

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