Jack opens a bank account with $80 and decides to deposit $25 each month into the account.
 Which equation can be used to find the number of months after which Jack will have $405 in his account?
 Answer Choices
 405=25n+80 
 405=25n−80 
 405=80n−25 
 405=80n+25 
 After how many months, will Jack have $405 in his account?