A shirt whose marked price is 8000/= is sold to a customer at 13% discount if the trader make a profit of 20% find how much the trader had paid for the shirt

The trader had paid for the shirt.

Step-by-step explanation:

Price for which the shirt was sold  

Let's say, the purchase price of the shirt for the trader was  .

an

y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )