A person wants to decorate the rectangular floor whose length is 30 cm and breadth is 20 cm. In the center, the floor is covered by the square carpet and the rest of the area is covered by the cloth. If the total costing in this process is Rs. 1500 and the price of carpet is Rs. 5/cm2 and the price of cloth is Rs. 2/cm2. Find the width of the carpet.
1
15 cm
2
12 cm
3
13 cm
4
17 cm
5
10 cm