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A+b =7,b+c =8,c+a=9 then find mean of a,b,c |
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Answer» Step-by-step EXPLANATION: a+b+b+c+c+a= 7+8+9 therefore 2[ a+b+c ] = 24 hence a+b+c is 12 mean = a+b+c/3 = 12/3 = 4. |
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