A fence must be built to enclose a rectangular area of 45,000ft^2. Fencing material costs $4 per foot for the two sides facing north and south and $8 per foot for the other two sides. Find the cost of the least expensive fence.

please use this google drive link to download the answer file.

https://drive.google.com/file/d/1Ecj7VH1_fBYquNn1zLcACF4mEhsNjdKr/view?usp=sharing

note: if you have any trouble in viewing/downloading the answer from the given link, please use this below guide to understand the whole process.

https://helpinhomework.org/blog/how-to-obtain-answer-through-google-drive-link