Marcela purchased a bracelet on sale for only $7.50 before tax. The amount of tax on the purchase was $0.60. What is the sales tax rate?

8%

Step-by-step explanation:

The tax rate is 8% because $7.50÷100=0.075

0.075×8=$0.60

So the sales tax is 8%

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

answer: x=60