PRC-2 · Chapter 1 · Question 27 of 45
A mother is currently twice as old as her daughter. Five years ago, she was three times as old as her daughter. How old is the daughter today?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) 10 years old
Explanation
Let daughter's age = x, mother's age = 2x. Five years ago: 2x - 5 = 3(x - 5). This expands to 2x - 5 = 3x - 15. Solving for x yields x = 10. The daughter is 10 years old.
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