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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?

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? Correct Answer None of these

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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