Câu 1.
There are 5 students: Alice, Bruno, Claude, Daniel, and Emily. Alice is 5 years old. Bruno is 17 years old. Claude, Daniel, and Emily have the same age. If the average age of these 5 students is 8, how old is Daniel?
- A.A. 6
- B.B. 7
- C.C. 5
- D.D. 8