A: If Richard is 6 years older than David, and David is 8 years older than Scott, then Richard is 6 + 8 = 14 years old. If in 8 years, Richard will be twice as old as Scott, then Scott will be 8 / 2 = 4 years old in 8 years. If David is 8 years older than Scott, and David is 4 years older than Scott, then Scott is 4 / 2 = 2 years old. If Scott was 2 years old 5 years ago, then David was 5 - 2 = 1 year older than Scott. The answer is (A).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:A certain family has 3 sons: Richard is 6 years older than David, and David is 8 years older than Scott. If in 8 years, Richard will be twice as old as Scott, then how old was David 5 years ago? Answer Choices: A) 9 B) 10 C) 12 D) 14 E) 16