Question

The cost of cultivating a rectangleular field at rs 35 per square metre is metre is rs71400 ,if the width of the field is 40 m ,find its length , also ,find the cost of fencing the field at rs 50 per metre

Answer 1

let length = x metre
cost of levelling the field = 71400
breadth = 40 metre
so,
x ×40 × 35 = 71400
x = 2400/40
x = 60 metre