Tatiana is buying a number of books and m number of magazines at the book fair. The books cost $4 each and the magazines cost $2 each. Tatiana's total purchase can be shown with this expression: 4b+2m. Which expression is equivalent to 4b+2m?Immersive Reader (10 Points)

2(2b+m)

2(2b+2m)

6bm

6(b+m)