Range invested $1000 for college in an account earning 5% simple interest. When she withdrew the investment , she had earned a total of $550 in interest. How long was the money invested. How long was the money invested?

I did 1000(.05) (t) - whatever she withdrew
She earned a total of 550???

Then I got stuck

2 answers

I = PRT

550 = 1,000 * 0.05 * T

550 = 50T

11 = T
S working on answer.