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Math Help - ones

  1. #1
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    ones

    My tens digit is double my ones digit.Both of my digits add up to six.What number am I?
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  2. #2
    Senior Member OReilly's Avatar
    Joined
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    Quote Originally Posted by mredhi390 View Post
    My tens digit is double my ones digit.Both of my digits add up to six.What number am I?

    x - tens digit
    y - ones digit


    x=y*2
    x+y=6

    2y+y=6
    3y=6
    y=2

    x+2=6
    x=4

    Number is 42.
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