Answer:
20%
Step-by-step explanation:
If the notebook is 20% lesser in price as compared to the book.
Then the price of the book would also be 20% higher than that of the notebook.
Answer:
It is 25% higher
Step-by-step explanation:
For example lets use the book as 10$ then the notebook would be 8 dollars because 20% of 10 is 2 so 10-2=8. Now to get to 10 from 8 we need 2 and 2 is 25% of 8 so the answer is 25%