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Maths Exercices

Find the sales tax percentage

With sales tax, it cost $192.96 to buy a $180 camping tend. What is the sale tax percentage?

The percent of change formula can be used to find sales tax percentage.

sales tax percentage  = 
price with tax – price before tax
__________________________
price before tax

Plug $180 and $192.96 into the formula and simplify.

sales tax percentage  = 
price with tax – price before tax
__________________________
price before tax

 = 

 = 

 =  0.072


Write the number as a percent.

0.072  →  7.2%


The sales tax percentage is 7.2%.