Which is a better buy: a 13 oz. box of cereal for $3.58 or a 24 oz. boc of cereal for $4.59? calculate or me how its done?

We are looking for the price per oz. first for each cereal so $/oz.

$3.58/13= 0.275384615 round up to two decimal places so it is $0.28 per oz

$4.59/24 = 0.19125 round up to two decimal places so it is $0.19 per oz.

Then, we see that the 24oz. cereal is cheaper than the 13oz. because of the price per oz.