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Math Help - question in algebraic fractions

  1. #1
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    Red face question in algebraic fractions

    I do my school through a program on the computer. (I took a screenshot of my problem below) It's just an example problem, so your not cheating for me haha. NOTE! The question that this is a solution to is "Find the two consecutive odd numbers such that the sum of two-sevenths of the smaller and one-third of the larger is equal to thirty-one. I'm pretty sure I understand everything but what I have circled (in the picture below). Where did 31 come from?


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  2. #2
    Super Member Aryth's Avatar
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    Quote Originally Posted by eclipse View Post
    I do my school through a program on the computer. (I took a screenshot of my problem below) It's just an example problem, so your not cheating for me haha. NOTE! The question that this is a solution to is "Find the two consecutive odd numbers such that the sum of two-sevenths of the smaller and one-third of the larger is equal to \color{red}thirty-one. I'm pretty sure I understand everything but what I have circled (in the picture below). Where did 31 come from?
    What is highlighted in red is where your 31 came from. \frac{2}{7} of one number plus \frac{1}{3} of the larger number is equal to 31. So that equality must be established before moving on, which is what your solution is doing.
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  3. #3
    Member ronaldo_07's Avatar
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    The 31 is in the origional question "Find the two consecutive odd numbers such that the sum of two-sevenths of the smaller and one-third of the larger is equal to thirty-one."
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  4. #4
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    ha... I feel stupid now oh well. Maybe I should get more sleep.
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