Multiple choice

A's age is half the age of his brother. 5 years from now, the difference between the ages of the two brothers will be only 3 years. Find the current age of A's brother.

  1. 5 years

  2. 6 years

  3. 7 years

  4. None of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let A's current age be x and his brother's be 2x. In 5 years, A will be x+5 and his brother will be 2x+5. The difference in ages is (2x+5) - (x+5) = x. The problem states the difference is 3 years, so x = 3. The brother's current age is 2x = 6.