Q. 2 B5.0( 1 Vote )

Formulate the fol

Answer :

Let the incomes be x and expenditure be y.


We know that savings = income – expenditure


First condition is


9x – 4y = 2000


Second condition is


7x – 3y = 2000


For cross multiplication method, we write the coefficients as



Hence, we get = =


= =


= =


x = 2000


y = 4000


Income of first person = 9x = 9 × 2000 = Rs. 18, 000


Income of second person = 7x = 7 × 2000 = Rs. 14, 000


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