Adam's age is a multiple of 8 this year.
His age 6 years ago was a multiple of 3.
- What is Adam's age this year?
- What was Adam's age 5 years ago?
- What is Adam's age 9 years later?
Multiple of 8: 8, 16, 24
Multiple of 8 (-6): 2, 10, 18
Multiple of 3: 3, 6, 9, 12, 15, 18
18 appears in both the multiples of 8 (-6) and the multiples of 3.
Adam's age 6 years ago = 18
(a) Adam's age this year = 24
(b) Adam's age 5 year ago = 24 - 5 = 19
(c) Adam's age 8 years later = 24 + 9 = 33
Answer(s): (a) 24; (b) 19; (c) 33