The ratio of the ages of three people is 4:6:7. Eight years ago, the sum of their ages was 61. Find their present ages.
Answers.
A) 12,18,21  B) 16,24,28  C) 20,30,35  D) 24,36,42  E) 28,42,49
Let the present ages be 4x, 6x, 7x.   (4x-8) + (6x-8) + (7x-8) = 61   17x = 85   x = 5   Their present ages are 20, 30, and 35.   The answer is 20,30,35.
<result>C</result>
The ratio of the ages of three people is 4:6:7. Eight years ago, the sum of their ages was 61. Find their present ages.