Adam's age is a multiple of 8 this year.
His age 6 years ago was a multiple of 2.
- What is Adam's age this year?
- What was Adam's age 10 years ago?
- What is Adam's age 3 years later?
Multiple of 8: 8
Multiple of 8 (-6): 2
Multiple of 2: 2
2 appears in both the multiples of 8 (-6) and the multiples of 2.
Adam's age 6 years ago = 2
(a) Adam's age this year = 8
(b) Adam's age 10 year ago = 8 - 10 = -2
(c) Adam's age 8 years later = 8 + 3 = 11
Answer(s): (a) 8; (b) -2; (c) 11