You can
put this solution on YOUR website! .
From the condition, you havr these 2 equations
J + S = 16, (1) ("Her age is twice the sum of her two children ages"; 16 =
)
J - S = 2 (2) ("Her son Jose is two years older than her daughter Sophia.")
Add equations (1) and (2). You will get
2J = 16+2 = 18 ====> J =
= 9.
Answer. Jose is 9 years old. Sofia is 9-2 = 7 years old.