Ann is opening a new savings account with an initial deposit of $250. which combination of a deposit and a withdrawal will result in a zero balance in ann's account?
a) deposit $20 in the first week and withdraw $270 in the second week.
b) deposit $270 in the first week and withdraw $20 in the second week.
c) deposit $20 in the first week and withdraw $250 in the second week
d) deposit $250 in the first week and withdraw $20 in the last week.
i don't get this pls !