Adam's age is a multiple of 8 this year.
His age 3 years ago was a multiple of 5.
- What is Adam's age this year?
- What was Adam's age 3 years ago?
- What is Adam's age 5 years later?
Multiple of 8: 8
Multiple of 8 (-3): 5
Multiple of 5: 5
5 appears in both the multiples of 8 (-3) and the multiples of 5.
Adam's age 3 years ago = 5
(a) Adam's age this year = 8
(b) Adam's age 3 year ago = 8 - 3 = 5
(c) Adam's age 8 years later = 8 + 5 = 13
Answer(s): (a) 8; (b) 5; (c) 13