Rewrite the sentence, using “the same as” or “different from”

Exercise 9: Rewrite the sentence, using “the same as” or “different from”.
1. The musician on TV is playing the piano. I am also playing the piano. (use “instrument”
→ The musician on TV _____________________________.
2. The number of students in this class is 40. That class also has 40 students.
→ This class has ___________________________________.
3. I am 13 years old. My best friend is also 13 years old.
→ My best friend __________________________________.