Answer:
7.25%
Explanation:
The item she wants is priced at $20.
The total cost of the souvenir with tax is $21.45.
find:
What tax rate does Lacy pay for the souvenir?
$21.45 = tax ($20) + $20
tax = ( $21.45 - $20 )
$20
tax = 0.725 x 100 = 7.25%
therefore, the tax of the souvenir is 7.25%