Adam's age is a multiple of 8 this year.
His age 2 years later will be multiple of 7.
- What is Adam's age this year?
- What was Adam's age 2 years ago?
- What is Adam's age 8 years later?
Multiple(s) of 8: 8, 16, 24, 32, 40
Multiple(s) of 8 (+2): 10, 18, 26, 34, 42
Multiple(s) of 7: 7, 14, 21, 28, 35, 42
42 appears in both the multiples of 7 and the multiples of 8 (+2).
42 is Adam's age 2 years later.
(a) Adam's age this year = 40
(b) Adam's age 2 year ago = 40 - 2 = 38
(c) Adam's age 8 years later = 40 + 8 = 48
Answer(s): (a) 40; (b) 38; (c) 48