No cost price is given hence its not possible to calculate the actual answer.But don't worry I will simplify the equation till end that you can get the answer in fractions of sec
Solution:-
Let the Cost price be x
Mark up percent=40%
Now
Mark up=




Just multiply The CP by 0.04 to get the answer
I think the answer is A
hope that helps!
Answer:
I would say that they are different because if x - a has a value to the equation then that means a - x will not have the same value because it may be rearranged to a different equation but that doesn't mean that they will have the same value. that explain why x - a and a - x are not the same