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A boys' age is x years and his father's age is five years as old as his son . what will be the sum of their ages in ten years time. These age is now 17.how old will he be in x years time and what is the sum of his age in x years time and 15 years ago

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  1. It would help if you proofread your questions before you posted them.

    How can father's age be "five years as old as his son"? Is "he" and "him" father or son?

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  2. suppose you meant "five times as old"
    In that case, you have
    in ten years, the sum will be x+10 + 5x+10

    as for what "these age is now 17" means, I have no clue.

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    oobleck

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