Alice has a rectangular garden with width 6 feet and length 7 feet. She wants to divide her garden into two parts using a fence as shown in the following figure so that she can keep red and yellow flowers in the two areas. How long should the fence be?
7 ft6 ft

A. 7.86 ft
B. 9.2 ft
C. 85 ft
D. 10.61 ft
E. 42.5 ft
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