Adam's age is a multiple of 8 this year.
His age 2 years ago is a multiple of 9.
Adam's age is between 50 and 60.
- What is Adam's age this year?
- What is Adam's age 6 years ago?
- What is Adam's age 10 years later?
Multiple of 8: 8, 16, 24, 32, 40, 48, 56
Multiple of 8 (-2): 6, 14, 22, 30, 38, 46, 54
Multiples of 9: 9, 18, 27, 36, 45, 54
54 appears in both the multiples of 8 (-2) and the multiples of 9.
(a) Adam's age this year = 56
(b) Adam's age 6 year ago = 56 - 6 = 50
(c) Adam's age 10 years later = 56 + 10 = 66
Answer(s): (a) 56; (b) 50; (c) 66