Question

the cost of ploughing a field at ₹9 per square metre is ₹1872.If the breadth vof the field is 13 m ,then it's length is

Answer 1

The cost of Ploughing one sq meter= Rs 9
Total cost = Rs1872
The area of the field = 1872/9 = 208 m²
208 = 13 × length.

Therefore length = 208/13 = 16 m.
I hope my answer is helpful to u.

Answer 2

cost of ploughing = rs.9/sq. meter
therefore, area of the field = 1872 / 9 = 208 sq. meter
then, area of the field = 208 sq. meter
           l X b = 208
           l = 208 / 13
           l = 16 meter