DEVlN3417 DEVlN3417 21-10-2022 Business contestada a man invests $ 3500 in three accounts that pay 4 % , 6 % , and 7 % in annual interest, respectively. he has 3 times as much invested at 7 % than he does at 4 % . if his total interest for the year is $ 216 , how much is invested at each rate?
