Step 1: Outline the given parameters.
Price before tax = $715.99
Tax rate = 7.75%
Step 2: Calculate the sales tax on the laptop price.
![\text{Tax = }(7.75)/(100)*715.99=55.49](https://img.qammunity.org/2023/formulas/mathematics/college/na7x3o2bydkv0l5vgc86ibmzybae5ojd1j.png)
Step 3: Add the Sales Tax to the listed price of the laptop.
Total cost = 55.49 + 715.99 = 771.48
The total cost of the laptop to the nearest cent is $771.48