Lisa bought on calculator and a textbook in math Her bill in
Lisa bought on calculator and a textbook in math. Her bill including the 7.25% sales tax came out to be $100.58. The textbook was five dollars less than twice the price of the calculator.
 How much was each item before tax?
Solution
2x-5+x=100.58*0.9275
 3x-5=98.07
 3x=103.07
 x=34.36
 2x-5=63.71

