A invested Rs. 6000, B invested Rs. 4000 and C invested Rs. 4500 all together started the business after x months A left the business and after another x months B left the business and C continued till the end of the 2 years. At the end of the 2 years A made a profit of Rs. 3000 out of total profit Rs. 13000.Find the value of x.
1
10 months
2
9 months
3
8 months
4
4 months
5
6 months