Question

I bought 2 cow in 500 RS.? first I sell in 12% profit and second sell on 8% loss​

Answer 1

cost of cow 1 = x

cost of cow 2 = 500-x

selling price of cow 1= x + 12/100 * x

selling price of cow 2 = (500- x ) - 8/100 ( 500-x)