Muffins that students brought for their teacher come in different weights. Four blueberry muffins weigh the same as eight lemon muffins, two chocolate muffins weigh the same as three blueberry muffins, and two bran muffins weigh the same as one lemon muffin. How many lemon muffins weigh the same as one chocolate muffin? Please include your work, and also, I can't download anything, so please make it accessible through a web browser!