A book normally cost $5.50 is marked up by 40%. What is the selling price of the book?

Selling Price of the Book - $7.70

I believe that this is the answer

Step-by-step explanation:

We need to find what is 40% of 5.50.

40/100 x 5.50

After solving this, we will get 2.20

Now, the question is asking what is the selling price of the book will be after it is marked up. Marked up means an increase in price, and the increase in price is 40% of 5.50 which we have already found. All there is left for us to do is add 5.50 and 2.2. This will give us $7.70.

49%

step-by-step explanation:

when you realize that you dont know just realize i just took a test and im so smart