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hba

  • 3 years ago

Stats question help needed

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  1. hba
    • 3 years ago
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  2. hba
    • 3 years ago
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    @hartnn Help please......

  3. hartnn
    • 3 years ago
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    tried ?

  4. hba
    • 3 years ago
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    I cannot interprate sorry :'(

  5. hartnn
    • 3 years ago
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    let x girls and y boys

  6. hba
    • 3 years ago
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    Ok so x+y=150

  7. hartnn
    • 3 years ago
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    sum of weight of x girls /x = 55

  8. hartnn
    • 3 years ago
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    sum of weight of y boys/y = 70

  9. hba
    • 3 years ago
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    Okay got this

  10. hartnn
    • 3 years ago
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    total sum of weight /150 =60

  11. hartnn
    • 3 years ago
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    total sum of weight = sum of weight of y boys+sum of weight of x girls

  12. hartnn
    • 3 years ago
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    got this ?

  13. hartnn
    • 3 years ago
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    55x+70y = 60*150 x+y=150 solve simultaneously

  14. hba
    • 3 years ago
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    Wow man you are awesome thanks a lot (y)

  15. hartnn
    • 3 years ago
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    welcome ^_^

  16. hba
    • 3 years ago
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    x=50 and y=100 @hartnn Correct?

  17. hartnn
    • 3 years ago
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    no..

  18. hba
    • 3 years ago
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    Then :/

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