



 
Hi, Suppose that the price of the shirt is Rs. $S$ and the price of the Tshirt is Rs. $T$ then you know that \[S + T = 6000.\] He sells the shirt for a 20% profit so he sells it for Rs. \[S + \frac{20}{100} \times S = 1.20 \times S.\] He sells the Tshirt for a loss of 10% so he sells it for Rs. \[T  0.10 \times T = 0.90 \times T.\] The sum of these transactions results is a 2% gain on the Rs. 6000 he paid. This gives you a second equation for $S$ and $T.$ Solve for $T.$ Penny  


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