A saree 4m long at 1.25m wide has a border of width 25 cm all around i

1.	A saree 4m long at 1.25m wide has a border of width 25 cm all around it on inside find the cost of knitting the border at 20 paise per cmsquare ?
Answer» Area of saree = length breadth= 41.25= 5 m^2 Area with border = length * breadth = (4 + .5)(1.25 + .5)= 4.51.75= 7.875 m^2 Area of border = 7.875 - 5= 2.875 m^2 Cost of knitting border= 287.5*20= 5750 paise or Rs 57.50

A saree 4m long at 1.25m wide has a border of width 25 cm all around it on inside find the cost of knitting the border at 20 paise per cmsquare ?

Answer»

Area of saree = length *breadth= 4*1.25= 5 m^2

Area with border = length * breadth = (4 + .5)*(1.25 + .5)= 4.5*1.75= 7.875 m^2

Area of border = 7.875 - 5= 2.875 m^2

Cost of knitting border= 287.5*20= 5750 paise or Rs 57.50