A rectangular field is to be fenced on three sides leaving a side of 8 feet uncovered.If the area of the field is 680 sq.ft, how many feet of fencing will be required?  Choose the correct choice from the following answers:
A) 244ft	B) 88ft	C) 122ft	D) 178ft	E) 66ft
Given that length and area, so we can find the breadth.   Length x Breadth = Area   8 x Breadth = 680   Breadth = 85 feet   Area to be fenced = 2B + L = 2 (85) + 8 = 178 feet   Answer: 178ft) 178ft
<result>D</result>
A rectangular field is to be fenced on three sides leaving a side of 8 feet uncovered.If the area of the field is 680 sq.ft, how many feet of fencing will be required?