Solution:
The cost of cultivating a rectangular field at ₹ 35 per square meter is ₹ 71400. If the width of the field is 40 m, it’s cost of fencing the field at ₹ 50 per meter is ₹ 9100.Given the cost of cultivating a rectangular field at ₹ 35 per square meter is ₹ 71400.
Area of field is,
Now, area of rectangle is .
Let the length = x.
Equating both areas,
Perimeter of the field is,
= 2(length + breadth)
= 2(51 + 40)
= 2(91)
= 182m
Cost of fencing is,
= = ₹ 9100
Cost of fencing is ₹ 9100.
