SOLUTION: What is a better deal, a 16 oz of orange juice for $3.20 or 10 oz of orange juice for $2.10? Why?

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Question 946910: What is a better deal, a 16 oz of orange juice for $3.20 or 10 oz of orange juice for $2.10? Why?
Found 2 solutions by Fombitz, josgarithmetic:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Check the cost per ounce of each.
3.20%2F16=0.2
2.10%2F10=0.21
The better deal is the cheaper one per ounce.
$3.20 for 16 ounces is better.

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Whatever the unit price, the better deal is debatable because of storage and spoilage. Based strictly on price and purchase costs,

3.20%2F16 versus 2.10%2F10 dollars per fluid ounce.
0.2 dollars versus 0.21 dollars.

The 16 fluid ounce for $3.20 is the "better deal", ...