Example: John is twice as old as Mary. In 5 years, their total age will be 40. How old is Mary now? ✅ Solution: Let Mary = x, John = 2x. (x+5) + (2x+5) = 40 → 3x + 10 = 40 → 3x = 30 → x = 10. Mary is 10 years old .
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Who is the head of the Philippine executive branch? ✅ Answer: The President Example: John is twice as old as Mary
Mastering Your Future: The Ultimate Entrance Exam Reviewer Guide ✅ Solution: Let Mary = x, John = 2x
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