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