Question

A textbook costs $108.00. If Matthew paid a total of $113.94 for the book and sales tax, what rate of sales tax was he charged?

Answer 1

Find out first what the amount of tax he paid was. To do that, 108.00 from 113.94. You will get 5.94. So you now now that he paid $5.94 in sales tax. Then, find out what percentage 5.94 is of 108.00.