Question 638642
9%--- x

11%---- x-8000

Interest = 2010

9%*x+11%(x-8000)= 2010

multiply by 100

9x+11(x-8000)= 201000

9x+11x-88000=201000

20x= 201000+88000

x= (201000+88000)/20

x=14450

Investment at 9%= $14,450
Investment at 11%= $6,450