Sp-cp=profit.......(1)
2sp-cp=3profit......(2)
Subtracting equ1 from equ2
We get sp=2profit....(3)
Substituting in equ(1)
2profit-cp=profit
So cp=profit
This means profit % =100
24 Jun 18 2
A
Amal
Profit=100%..since cost price=profit. Please check the image