hba
Stats question help needed



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hba
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hba
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@hartnn Help please......

hartnn
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tried ?

hba
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I cannot interprate sorry :'(

hartnn
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let x girls and y boys

hba
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Ok so
x+y=150

hartnn
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sum of weight of x girls /x = 55

hartnn
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sum of weight of y boys/y = 70

hba
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Okay got this

hartnn
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total sum of weight /150 =60

hartnn
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total sum of weight = sum of weight of y boys+sum of weight of x girls

hartnn
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got this ?

hartnn
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55x+70y = 60*150
x+y=150
solve simultaneously

hba
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Wow man you are awesome thanks a lot (y)

hartnn
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welcome ^_^

hba
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x=50 and y=100 @hartnn Correct?

hartnn
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no..

hba
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Then :/