Question

A rectangular grassy lawn measuring 38m by 25m has been surrounded externally by a 2.5m wide path. Calculate the cost of gravelling the path at the rate of 120Rs per m sq.

Answer 1

we have to know the area of path=
area of external rectangle-area of inner rectangle.
Area of inner rectangle=
38×25 =950
Area of outer rect.
38+2.5×25+2.5=
1,113.25
area of path =
950-1,113.25=163.75×120=19650

Answer 2

See the attached file