A) (500, 400)
B) (300, 600)
C) (400, 500)
D) none of these
Correct Answer: C
Solution :
[c] Let incomes = 4x and 5x \[\therefore \,\,\,\frac{4x-50}{5x-50}=\frac{7}{9}\] \[36x-450=35x-350\] x = 100 \[\therefore \] Income = 400, 500You need to login to perform this action.
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