Answer:
Penelope's account balance at the end is $850.70.
Explanation:
Penelope has $1,459.75 in her bank account.
To pay her bills, she writes 4 checks for $200.25, $359.45, $125, and $299.35.
Adding all these we get -

After all the bills her balance left =
dollars
Now, she deposits $375 into her account.
So, her new balance will be =
dollars.
Therefore, Penelope's account balance at the end is $850.70.