Fiding the rate of a tax or commision

Question

An item costs $470 before tax, and the sales tax is $37.60 Find the sales tax rate. Write your answer as a percentage.

Answer 1

multiply the original price by the sales tax rate equals the sales tax.

 

 

Let x = sales tax rate in decimal form

 

 

$470.00 x = $37.60

 

 

Divide both sides of equation by $470

 

x = $470/$37.60=0.08

 

 

Multiply this value of x by 100 to get percentage.

 

The sales tax rate is 8 %