Question

Ritu buys a notebook for Rs. 80 and sells it for Rs. 100, Her gain% is _____.​

Answer 1

Step-by-step explanation:

1) Find how much she gains in Rs.

  100 - 80 = 20

  Ritu gains Rs 20.

2) 20 is what percent of 80?

   20 / 80 = 0.25

3) Convert to percent.

  0.25 = 25%

Answer:

Her gain is 25%

(HOPE YOU MARK THIS AS BRAINIEST :)