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
Answer:
linear
Step-by-step explanation:
Answer:
Option B: x > 0
Step-by-step explanation:
Option A is wrong because
will be 0. So, the inequality can't be divided by 0.
Option C is wrong because 1 will suffice this inequality. 
Option D is wrong because any value in the root has to be greater or equal to 0 (otherwise, it's imaginary number). -1 will give the latter root a value of root-(-3).
Leaving us with only option B, which is the right answer.