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Quoc Tran Anh Le Coordinator

14/08/2018 at 02:29
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If you total the ages of Bob and Bill, you’ll get 50. Ten years ago Bob was twice as old as Bill. How old are they now?


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    Mạnh Khôi 14/08/2018 at 13:47

    Now : Bob is 30 years old and Bill is 20 years old 

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