Question

In one year, Michael read 18 books. This was four fewer than twice the number of books that Jeff read. How many books did Jeff read?

Answer 1

11 books

Explanation:

18+4=22

22/2=11

Jeff read 11 books.

Answer 2

Jeff read 11 books

Explanation:

Michael read 18 books

Jeff read J books

18 = 2 * J - 4

Multiply

18 = 2J - 4

Add 4 to both sides

22 = 2J

J = 11

Jeff read 11 books

Hope this helps :)