Question

the cost of cultivating a rectangular field at rupees 35 per square metre is rupee 71400.if the width of the field is 40 metre .find its lenght.also find the cost of fencing the field at rupees 50 per metre

Answer 1

40*x*35=71400
1400*x=71400
x=71400/1400
x=51m
cost=2(51+40)*50
=2*91*50
=9100rs