Please help in need!!?!?!?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico

Abookstore owner is having a sale the book bart wants was originally priced at $14.99 the book is now $10.04 by what percentage was the price reduced