Adam's age is a multiple of 3 this year.
His age 2 years ago was a multiple of 2.
- What is Adam's age this year?
- What was Adam's age 3 years ago?
- What is Adam's age 10 years later?
Multiple of 3: 3, 6
Multiple of 3 (-2): 1, 4
Multiple of 2: 2, 4
4 appears in both the multiples of 3 (-2) and the multiples of 2.
Adam's age 2 years ago = 4
(a) Adam's age this year = 6
(b) Adam's age 3 year ago = 6 - 3 = 3
(c) Adam's age 3 years later = 6 + 10 = 16
Answer(s): (a) 6; (b) 3; (c) 16