Civil Service Exam Reviewer · Word Problems · hard

The sum of the ages of Liza and Ana is 53. 9 years ago, Liza was 4 times as old as Ana. How old is Ana now?

  1. 37 years old
  2. 7 years old
  3. 16 years old
  4. 10.6 years old

Answer

C. 16 years old

Solution

Let Ana = x, Liza = 53 − x. 53 − x − 9 = 4(x − 9) → x = 16.

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