Question

If the cist of 30notebooks is equal to the selling price of40 notebook find the gain or loss percent

Answer 1

Answer:

25% loss

Step-by-step explanation:

Let cost price = x

Cost price of 30 = 30x

Selling price of 40 = 30x

Selling price = 30x/40 = 0.75x

Loss = x - 0.75x = 0.25x

Loss % = (0.25x/x)×100 = 25 %