Answer:
4. w+4=s
5. Winn's sister will be 18 years old when Winn is 14.
Step-by-step explanation:
4. Winn's age + 4 years is Winn's sisters age. They are four years apart.
5. Winn's sister is 4 years older than Winn so Winn's sister will be 18 when Winn is 14.
