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11 votes
Is the first one correct and what are the ages?

Is the first one correct and what are the ages?-example-1
User Kumaran
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1 Answer

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15 votes
For the first question (10a) I think 4x - 4 = 64 could also model the situation. For the ages, Ari is 17, Bill is 34, and Chris is 13. To check, we add them up and get a total of 64. Hope this helps.
User Zulie
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