Jolene invests her savings in two bank accounts, one paying 5 percent and the other
paying 10 percent simple interest per year. She puts twice as much in the
lower-yielding account because it is less risky. Her annual interest is 5100
dollars. How much did she invest at each rate?
Amount invested at 5 percent interest is $
Amount invested at 10 percent interest is $
Amount invested at 5 percent interest is $
Amount invested at 10 percent interest is $