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Kelly is three years younger than her sister. The sum of their ages is 34 years. How old is Kelly and how old is her sister?

User Bgporter
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1 Answer

4 votes

Answer:

Kelly is 20

Her sister is 14

Explanation:

34 ÷ 2 = 17 (average)

17 + 3 = 20

17 - 3 = 14

User Wojcikstefan
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