Mark M. answered 06/29/22
Tutor
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Mathematics Teacher - NCLB Highly Qualified
Assume that x is the length of the two pastures.
w represents the three widths
300 = 2x + 3w
300 - 2x = 3w
100 - (2x/3) = w
A = xw
A = x(100 - (2x/3))