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Cost per ounce

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Find the cost per ounce of each of the following sets of products, and tell which one is the better buy for each pair. You must show your work for both parts.

a. 6 ounce tube of toothpaste for $2.30 or a 12 ounce tube of toothpaste for $4.10.

b. 4 ounce can of spray for $2.99 or a 6 ounce can of spray for $4.99.

c. 20 ounce bottle of water for $1.19 or 32 ounce bottle of water for $1.99

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The solution goes into a great amount of detail related to the cost question being asked. The solution is very easy to follow along and can be easily understood by anyone with a basic understanding of the concepts. The solution answers all the question(s) being asked in a succinct way. Overall, an excellent response.

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