Question

Walden’s family is shopping for a reclining chair. The chair the family decided on has a retail price of $800 plus 5% sales tax at four stores. Each store is offering a different promotion.

Answer 1

it's store B :)

Explanation:

Answer 2

You haven't asked a question here, but $800 + 5% tax is 800* 1.05 which is equal to $840.
The chairs regular price is $840. I have no Idea what it is with any of the promotions though, because you didn't say what they are.