What is the unit rate in price per ounce for choice A? Round your answer to the nearest hundreth. Choice A: 25 ounces of potato chips for $3.49 Choice B: 45 ounces of potato chips for $4.79 a $7.16 per ounce b $0.14 per ounce c $9.39 per ounce d $0.11 per ounce