The complete answer is 151.34 because you take the checks add them together subtract it from the amount in the bank then add 75 hence the reason you get 151.34
138.72 - 45.23 - 18 These are the check costs that subtracted from her bank account 75.49 is what you get A deposit is when you add money to your account, so, you add 75.85 75.49 + 75.85 = $151.34