Adam's age is a multiple of 2 this year.
His age 2 years later will be multiple of 7.
- What is Adam's age this year?
- What was Adam's age 3 years ago?
- What is Adam's age 7 years later?
Multiple(s) of 2: 2, 4, 6, 8, 10, 12
Multiple(s) of 2 (+2): 4, 6, 8, 10, 12, 14
Multiple(s) of 7: 7, 14
14 appears in both the multiples of 7 and the multiples of 2 (+2).
14 is Adam's age 2 years later.
(a) Adam's age this year = 12
(b) Adam's age 3 year ago = 12 - 3 = 9
(c) Adam's age 2 years later = 12 + 7 = 19
Answer(s): (a) 12; (b) 9; (c) 19