Letters / Write a letter to apply for Memory Course [3]

Hi! I'm Ngan and I'm from Vietnam. Sorry, my English isn't good, I am improving it. Hope someone remarks this essay below. Thanks a lot!

Boost Your Memory course

Finding it hard to remember important facts and figures? Improve your memory in 10 weeks with our Memory Course. Places are limited and the course is available for only a short time.

Applying in writing to:
In the letter
- give some background information about yourself
- explain your own problems and why you would like to do the course
- inquire about the methods used on the course
- inquire about course fees and dates.
Write at least 150 words.

Dear Sir,
Let's me introduce myself. My name is Ngan and I am a student at Kim Dong highschool. I am sixteen years old and I live in Phu Vang village which is the small village of Ben Tre City. I want to be good at English. However, I have a problem with remembering vocabulary. I learn about twenty words per day, tomorrow I just remember about seven or eight words. I do not know why reason. And this makes my studying is delayed, I took a capsule to improve my memory but it is not effective. I also tried lots of ways to enhance my memory but it is not effective as well. Fortunately, I saw your advertisement on Facebook by change, I find it can help me. I want to know on this course, using that method to improve memory. By the way, can you tell me how are fees and dates?

Faithfully,
Ngan