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Math Help - Help please

  1. #1
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    Help please

    If a,b and c are whole positive numbers, prove that
    \frac{a}{b+c}+\frac{b}{a+c}+\frac{c}{a+b}\ge\frac{  3}{2}
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  2. #2
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  3. #3
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    You could argue that for a=b=c=1 the value of the expression is \frac{3}{2} and that the expression is strictly increasing with respect to each unknown.
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  4. #4
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    iknowone I agree with you but still I can't understand how to solve it. Note that I am at the sixth grade so I think that there's something simpler.
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  5. #5
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    Somebody just told me that there are 8 different ways of solving this inequality.
    Is that .................................................. .......true??????????


    Please somebody help .................................................. .....
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