Answer:
5.5%
Explanation:
A souvenir mug sells for $8.00 at the hotel gift store.
Kendra gives the clerk $9.00 and receives $0.56 as a change.
So, Kendra has to pay $(9.00 - 0.56) = $8.44 for the mug.
Therefore, the souvenir bug's after-tax price is $8.44 while its original price is $8.00.
So, sale tax rate is
%. (Answer)