12 and 15 aren't relatively prime because they have 3 as a common factor. However, if it had only 1 as it's common factor then it would be relatively prime but 12 and 15 do have another common factor besides 1.
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i think that your suppose to divide add and subtracct.
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Hope this helps.
To change 1/3 c into 1 c, you would multiply by 3. So multiply 1 1/2 c by 3 to get the answer.
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It’s not c
Answer:the 1 or 4
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