Answer: Final cost will be $2.75.
Explanation:
Since we have given that
Cost of salsa container = $3.25
Off on coupon = $0.50
Final cost of one salsa container is given by

Hence, the final cost will be $2.75.
if he bought two containers
Cost of two containers is given by

Coupon 50% off is given by

So, Final cost is given by

Hence, Final cost will be $2.75.