Thank you so much sir I have the doubt in the solution In Feb month the average of x+y,y+z and z+x are 665,701,626 respectively so the sum should be *2 like 1330,1402,1252 by solving the equation sum of x+y+z is 1992 so by subtracting I got the answer for x,y,z is 665,701,626 but you mentioned in the answer is 274,356,374 if I am correct are not kindly respond to my comment sir
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