Answer:
Denote the original investment of Kerry: A
=> After 3 years, she has $7080 in the account with compounds interest annually at a rate of 4.4%.
=> 7080 = A x (1 + 4.4/100)^3
=> 7080 = A x 1.1379
=> A = 7080/1.1379 = 6221.99 = ~6222$
Hope this helps!
:)