ATQ, Let the monthly expenditure of 'Q' be Rs. ‘x’. So, the monthly expenditure of 'P' = Rs. 0.75x According to question: (x + 12600)/(0.75x + 9450) = 4/3 3x + 37800 = 3x + 37800 0 = 0 Here ‘x’ is eliminated. So, the desired answer can’t be determined
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