Final answer:
To calculate Sally's balance after one year, we multiply her initial deposit by the interest rate and time, and add that to the initial deposit.
Step-by-step explanation:
To calculate Sally's balance after one year, we can use the formula for simple interest:
Simple interest = Principal * Rate * Time
where Principal is $600, Rate is 8% (or 0.08 as a decimal), and Time is 1 year.
Plugging in these values, we have:
Simple interest = $600 * 0.08 * 1 = $48
So, Sally's balance after one year will be her initial deposit plus the simple interest earned:
Sally's balance = $600 + $48 = $648