Halima wishes to carpet her sitting room at a cost of sh. 19600. The carpet costs sh. 700 per square.
1. Find the area.
2. To reduce the cost of carpeting, Halima decides to buy a smaller carpet by leaving a margin of 1/2 m all-round the carpet. After buying the smaller carpet, she saves sh. 7000.
(I) Find the area of the carpet bought.
(II) Find the dimensions of the sitting room.