During the National Day holiday, Xiaohong's mother bought a pack of Shunhua Linwu Duck, a catty of dried yellow mushrooms in Guidong and three jars of jar meat in Longjun County to visit an old friend whom she hadn't seen for years.
Are you asking a math question? It can be solved by equations. Let Linwu duck be X, dried mushroom of Guidong be 2X, and jar meat be X.
(2x- 10), which adds up to 240.
Answer:
A pack of Shunhua Linwu Duck 50 yuan
One Jin of dried yellow fungus in Guidong 100 yuan
3 Tantan Meat 90 yuan