Example 9 : Arnav buys a book costing Rs 600. If the rate of sales tax is 7%, then the total amount payable by him is Rs 642. Example 9 : Arnav buys a book costing Rs 600. If the rate of sales tax is 7% then the total amount payable by him is Rs 642. August 1, 2021 Category: Chapter 8 - Comparing Quantities , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related