1.

A+b =7,b+c =8,c+a=9 then find mean of a,b,c​

Answer»

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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