Posted by **Brooke** on Tuesday, October 19, 2010 at 7:42pm.

Ferroza can buy a 24 ounce bag of ferret food for 1.19 or she can buy a 36 ounce bag for 2.89. which is the better deal?

- Math -
**MathMate**, Tuesday, October 19, 2010 at 7:57pm
Assuming that the two packaging contain the same food, then

24oz bag costs 1.19/24 = 0.05 /oz

36oz bag costs 2.89/36 = 0.08 / oz

So bigger packaging does not have to be cheaper.

In the supermarket, this is what I would do:

24oz costs 1.19

36oz is 50% more, 50% more of 1.19 is about 1.80 (< 2.89), so the unit price of the 36oz bag costs more.

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