Marina had $24,500 to invest . She divided the money into three different accounts . At the end of the...

Marina had $24,500 to invest . She divided the money into three different accounts . At the end of the year , she had made $1,300 in interest . The annual yield on each of the three accounts was 4%, 5.5%, and 6% . If the amount of money in the 4% account was four times the amount of money in the 5.5% account, how much had she placed in each account ?