find the cost of fencing a rectangular ground whose length and breadth are in the ratio 4 ratio 3 and area is 768 square @ rupees 25 per metre
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L=4x
B=3x
A=768
A=l*b
768=4x*3x
768=12x square
768/12=x square
64=xsquare
X=under root64
X=8
L=4*8=32
B=3*8=24
Cost=768*25=19200
B=3x
A=768
A=l*b
768=4x*3x
768=12x square
768/12=x square
64=xsquare
X=under root64
X=8
L=4*8=32
B=3*8=24
Cost=768*25=19200
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