The average income of A and B Rs. 50, B and C Rs. 60, A and C Rs. 58. Find the income of B :-
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0
Answer:
B = 7
Step-by-step explanation:
(A+B)/2 = 50
(B+C/2= 60
(A+C)2= 58
A+B = 100. A= 100-B
B+C = 120.
A+C = 116. 100-B+C = 116 => C-B = 16
Solving
C+B = 30
C-B = 16
=> 2B= 14
B= 7
Answered by
1
Answer:
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