Adam's age is a multiple of 9 this year.
His age 5 years later will be multiple of 2.
- What is Adam's age this year?
- What was Adam's age 8 years ago?
- What is Adam's age 7 years later?
Multiple(s) of 9: 9
Multiple(s) of 9 (+5): 14
Multiple(s) of 2: 2, 4, 6, 8, 10, 12, 14
14 appears in both the multiples of 2 and the multiples of 9 (+5).
14 is Adam's age 5 years later.
(a) Adam's age this year = 9
(b) Adam's age 8 year ago = 9 - 8 = 1
(c) Adam's age 9 years later = 9 + 7 = 16
Answer(s): (a) 9; (b) 1; (c) 16