A: The present ages of the three persons are in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages. The answer is (B).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:The present ages of three persons are in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages. Answer Choices: A)20, 35, 45 B)16, 28, 36 C)8, 20, 28 D)None of these E)30,25,12