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Math Help - please explain the following thanks

  1. #1
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    Smile please explain the following thanks

    Hello
    Circle a pair of numbers with a difference of 70.
    100 90 80 60 50 20 .
    Many thanks Lilly Belle xx
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  2. #2
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    Quote Originally Posted by lilly belle View Post
    Hello
    Circle a pair of numbers with a difference of 70.
    100 90 80 60 50 20 .
    Many thanks Lilly Belle xx
    100 and 50? Nope .... 100 - 50 = 50, not 70 so that pair doesn't work.

    100 and 20? Doggone it .... 100 - 20 = 80, not 70 so that pair doesn't work either.

    90 and 50? Darn it .... 90 - 50 = 40, not 70 so that pair doesn't work. grrr.

    Get the idea .....? Keep trying.
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  3. #3
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    Smile you are mr fantastic

    oh! the penny has dropped..is it 90 - 20 = 70
    thank you lilly belle
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