Adam's age is a multiple of 8 this year.
His age 4 years ago was a multiple of 4.
- What is Adam's age this year?
- What was Adam's age 4 years ago?
- What is Adam's age 8 years later?
Multiple of 8: 8
Multiple of 8 (-4): 4
Multiple of 4: 4
4 appears in both the multiples of 8 (-4) and the multiples of 4.
Adam's age 4 years ago = 4
(a) Adam's age this year = 8
(b) Adam's age 4 year ago = 8 - 4 = 4
(c) Adam's age 8 years later = 8 + 8 = 16
Answer(s): (a) 8; (b) 4; (c) 16