Investment problem

Question

Jolene invests her savings in two bank accounts, one paying 6 percent and the other paying 11 percent simple interest per year. She puts twice as much in the lower-yielding account because it is less risky. Her annual interest is 3473 dollars. How much did she invest at each rate?

Answer 1

(0l.06)(2x) + (0.11)(x) = 3473