Answer
$3444$
Work Step by Step
The deposits Shelley makes can be expressed as:
$175+175+175+175$
The debit charges can be expressed as:
$-50-189-160-20-115$
The initial amount of money is $3278$, so the final expression is:
$3278+175+175+175+175-50-189-160-20-115$
This evaluates to $3444$ dollars.