1. 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 ?
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By: anil on 05 May 2019 01.21 am
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 : => $$19x = 3420$$ => $$x = frac{3420}{19} = 180$$
$$ herefore$$ Cost of 4 shirts = 180 * 4 = Rs. 720
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$$ herefore$$ Cost of 4 shirts = 180 * 4 = Rs. 720