Answer:
The 5 ounce bottle is $0.98 per ounce
The 15 ounce bottle is $0.69 per ounce
The 15 ounce bottle is a better deal because the cost per ounce is lower
Step-by-step explanation:
To find the cost per ounce for each bottle, divide the cost by how many ounces are in the bottle.
4.89 ÷ 5 = 0.978
10.29 ÷ 15 = 0.686
So, the 5 ounce bottle is $0.98 per ounce, while the 15 ounce bottle is $0.69 per ounce.
The 15 ounce bottle is a better deal because the price is lower per ounce.
Buying a 15 ounces bottle for $10.29 is the better deal because it's cheaper.
Since one can buy shampoo in a 5 ounce bottle for $4.89, the cost per ounce bottle will be:
= $4.89/5
= $0.978
Since one can buy a 15 ounces bottle for $10.29, the cost per ounce bottle will be:
= $10.29/15
= $0.686
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