The area of a field is 680 square feet . If the cost of fencing is Tk 50 per foot , then how much will it cost to fence the field?
A
Tk 8800
B
Tk6800
C
Tk 4800
D
Tk 4400
Correct Answer: Tk 8800
Let, length = 68 m and width = 10m So, area = 10×68 = 680 Cost of fencing = ( 10×2×50) + ( 68×2×50) = Tk.7800 ( correct answer)