8825.51 ft 2 8825.51 ft2 he answer above is NOT correct. (1 point) A cattle ranc
ID: 2885915 • Letter: 8
Question
8825.51 ft 2 8825.51 ft2 he answer above is NOT correct. (1 point) A cattle rancher wants to enclose a rectangular area and then divide it into six pens with fencing parallel to one side of the rectangle (see the figure below). There are 620 feet of fencing available to complete the job. What is the largest possible total area of the six pens? Largest area : | 8825.51 m2 help (units) Preview My AnswersSubmit Answers our score was recorded. ou have attempted this problem 6 times. ou received a score of 0% for this attempt. our overall recorded score is 0%. ou have unlimited attempts remaining.Explanation / Answer
Let the 7 parallel sides be x unit each and two parallel sides be y units each .
7x+2y=620
y=310-(7/2)x
A= x y = x(310-(7/2)x) = 310x -(7/2)x2
A'= 310 - 7x
A'=0
310 -7x=0
x=310/7
A=310(310/7)-(7/2)(310/7)(310/7)=6864.29ft2
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