To determine which lotion bottle is the better deal, compare the price per ounce for each.
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The 10-ounce bottle costs $90.
Price per ounce = $90 / 10 = $9.00 per ounce. -
The price for the ounce bottle is missing in the query; assuming this means the smaller bottle costs less overall but the exact price wasn't given. For comparison, let's say if the smaller bottle costs less than $90 but has fewer ounces, calculate its price per ounce similarly.
The better deal is the one with the lower price per ounce since that means more lotion for less money per unit. If the smaller bottle's price per ounce is more than $9.00, then the 10-ounce bottle is the better deal. If it's less, then the smaller bottle is better. Without the specific price of the smaller bottle, a definitive answer can't be given. Please provide the smaller bottle's price for an exact comparison.