Answer:
12 years old
Step-by-step explanation:
No 7
Michael = X years old
Michael's brother = X + 4 years old
Total = 28 years old
(X) + (X+4) = 28
2X = 28 - 4 = 24
X = 12
Michael 12 years old. His brother is 16 years. Total 28 years old
