1. Word problems: In these pages you can see the solutions of some of the problems I gave you. In the vitutor pages you have to click on the number of the problem you want to check, up in the page.
2. Now it’s time to do a lot of exercises. All of them have solutions, so you can check your answers.
Equations review: parts 10, 11, 12, 13 y 14 of this page (Unit 3).
