Gretchen can by 17.4 ounces of brand A toothpaste for $5.22, or she can buy 26.6 ounces of brand B toothpaste for $6.65. Which of the following examples explains which is the better deal?
Brand a is the better deal because it costs $0.08 less per ounce then brand b
Brand a is the better deal because it costs $0.05 less per ounce then brand b
Brand b is the better deal because it costs $0.08 less per ounce then brand a
Brand b is the better deal because it costs $0.05 less per ounce then brand a