Hi
mlemos ,
Welcome to GMATClub

I have a solution for you.
If there is any question you want to know how to do, search here on our forum. You will find very great explanations by experts. In case you don't find the good explanation, you can always ask your specific doubts and we will be extremely happy to help you.
Lastly, in case you don't find that Question on the forum, you can start a New topic and we will try to answer that as soon as we can.
Happy learning!!
Does that make sense?