Answer:
He saved $13.08 or 30.12%
Explanation:
How much did Frank save in coupons
We take the original bill and subtract the final bill to determine the amount of savings
43.43 - 30.35 = 13.08
The percentage saved is
percentage = (original - new)/ original = (43.43 - 30.35)/43.43
= .301174303
= 30.12%