Adam's age is a multiple of 8 this year.
His age 2 years later will be multiple of 6.
- What is Adam's age this year?
- What was Adam's age 4 years ago?
- What is Adam's age 3 years later?
Multiple(s) of 8: 8, 16
Multiple(s) of 8 (+2): 10, 18
Multiple(s) of 6: 6, 12, 18
18 appears in both the multiples of 6 and the multiples of 8 (+2).
18 is Adam's age 2 years later.
(a) Adam's age this year = 16
(b) Adam's age 4 year ago = 16 - 4 = 12
(c) Adam's age 8 years later = 16 + 3 = 19
Answer(s): (a) 16; (b) 12; (c) 19