Current location - Training Enrollment Network - Books and materials - Teacher Wang spent more than half of the 20 yuan class fee on books, and then there was 400 yuan class fee. What's the original fare?
Teacher Wang spent more than half of the 20 yuan class fee on books, and then there was 400 yuan class fee. What's the original fare?
(400+20)X2=840 (yuan).

Learning methods are nothing more than watching, thinking and practicing. You can do it with your heart if you are interested. Everyone has his own good side, find it and focus on development. Stick to it and make a little progress every day. A sense of accomplishment will inspire you until you find that you can do better than others.