A rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required? Select:
A) 95	B) 92	C) 88	D) 82	E) 90
Area of the field =680 sq. feet.   Length of the adjacent sides are   20 feet and  680/20= 
<gadget id="calculator"> 680/20</gadget>
<output>34</output>
34 feet.   Required length of the fencing=20+34+34= 
<gadget id="calculator">20+34+34</gadget>
<output>88</output>
88 feet Answer: Option 88
<result>C</result>
A rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?