Respuesta :

BellaJha
Let, the number of month = m
Equation would be: 4800 - 400m = 2000

In order to solve for number of months, 
400m = 4800 - 2000
400m = 2800
m = 2800 / 400
m = 7

So, after 7 months, account balance will be $2000

Hope this helps!
The correct ANWSER is 2000$ I hope I helped