Traditional Culture Encyclopedia - Travel guide - A tour group of 65 people dined in a fast food restaurant, which served 9 kinds of dishes at the unit price of 1, 2, 3, 4, 5, 6, 7, 8 and 9 yuan. The tour leader

A tour group of 65 people dined in a fast food restaurant, which served 9 kinds of dishes at the unit price of 1, 2, 3, 4, 5, 6, 7, 8 and 9 yuan. The tour leader

8. Hint: There are 9 kinds of dishes that may get 10 yuan.10 = 9+1= 8+2 = 7+3 = 7+2+1= 6+4 = 6+3+/kloc-0.