Adam's age is a multiple of 8 this year.
His age 2 years later will be multiple of 5.
- What is Adam's age this year?
- What was Adam's age 7 years ago?
- What is Adam's age 5 years later?
Multiple(s) of 8: 8
Multiple(s) of 8 (+2): 10
Multiple(s) of 5: 5, 10
10 appears in both the multiples of 5 and the multiples of 8 (+2).
10 is Adam's age 2 years later.
(a) Adam's age this year = 8
(b) Adam's age 7 year ago = 8 - 7 = 1
(c) Adam's age 8 years later = 8 + 5 = 13
Answer(s): (a) 8; (b) 1; (c) 13