Sara is twice as old as Wei Hao. In 5 years, the SUM of their ages will be 49. How old is Sara now?
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Worked Solution
Step 1: Let Wei Hao's current age = w. Then Sara's current age = 2w.
Step 2: In 5 years: (w + 5) + (2w + 5) = 49 → 3w + 10 = 49 → 3w = 39 → w = 13.
Step 3: Sara now = 2 × 13 = 26.
Answer: 26
Correct answer: 26
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