Question

Aminah bought a book for $8. She increased the price by 20% and sold the books to James. James further increased the price of the book by 15% and sold to Khalid. Khalid gave james $15. How much change should James give to Khalid?​

Answer 1

Please refer to the attachment

Answer 2

3.96

Explanation:

Aminah increased the price of the book to
`8\cdot1.2=9.6`. James increased the price of the book to
`9.6\cdot1.15=11.04`. So James needs to give
`15-11.04=3.96` to Khalid.