A: Present ages of three persons in proportions 4:7:9 = 16:28:36. 8 years ago, the sum of their ages was 56, and the present ages are 16+28+36 = 56. 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