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1. Mr.Karim wants to put up fencing around three sides of his rectangular yard and leave a side of 10 feet unfenced. If the yard has an area of 340 sq. feet, how many feet of fencing does he need?
- A. 74
- B. 74
- C. 74
- D. 74
Answer: Option D
Explanation:
Area, Length×Width = 340
or, Lenght×10 = 340
So, Length = 340/10 = 34 feet
Fencing needed = 34 + 34 + 10 = 78 feet
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