Answer:
2 % is the tax rate
Step-by-step explanation:
The sales tax is equal to the original price of the item times the sales tax rate
sales tax= original price * tax rate
We know the original price and the sales tax
8.4 = 420 * tax rate
Divide each side by 420
8.4/420 = 420/420 * tax rate
.02 = tax rate
Multiply by 100% to get in percent form
2 % is the tax rate
