The average monthly income of a and b is 14000, that of b and c is 15600 and a and c is 14400. the monthly income of c is
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Let monthly income of a,b,c be A,B,c respectively
Given that,
(A+B)/2=14000
A+B=28000-------(1)
(B+C)/2=15600
B+C=31200-------(2)
(A+C)/2=14400
A+C=28800------(3)
Subtract equation (1) and (2)
C-A=3200--------(4)
Now, add equation (3) and (4)
2C=32000
C=16000
Given that,
(A+B)/2=14000
A+B=28000-------(1)
(B+C)/2=15600
B+C=31200-------(2)
(A+C)/2=14400
A+C=28800------(3)
Subtract equation (1) and (2)
C-A=3200--------(4)
Now, add equation (3) and (4)
2C=32000
C=16000
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