Question 122

The total price of 6 trousers and 5 shirts is Rs. 2,340. The total price of 7 shirts is Rs. 540 more than the total price of 3 trousers. What is the total price of 4 shirts ?

Solution

Let price of shirt = Rs. $$x$$

Price of trouser = Rs. $$y$$

=> $$5x + 6y = 2340$$ -----------Eqn(1)

and $$7x - 3y = 540$$ -----------Eqn(2)

Multiplying eqn(2) by 2 and adding both equations, we get :

=> $$19x = 3420$$

=> $$x = \frac{3420}{19} = 180$$

$$\therefore$$ Cost of 4 shirts = 180 * 4 = Rs. 720

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