Zeph is
i years old. Andy is five times as old as Zeph and Warren is 8 years younger than Andy.
- Express Warren's age in terms of i.
- Zeph is 6 years old as of now. ln how many years' time will Warren be 3 times as old as Zeph?
(a)
Zeph's age =
i years
Andy's age = 5
i years
Warren's age = (5
i - 8) years
(b)
i = 6
Difference in age remains unchanged.
Difference in age between Warren and Zeph
= (5
i - 8) -
i = 5
i -
i - 8
= 4
i - 8
= 4 x 6 - 8
= 16 years
Difference in the age when Warren will be 3 times as old as Zeph
= 3 u - 1 u
= 2 u
2 u = 16
1 u = 16 ÷ 2 = 8
Number of years' time so Warren will be 3 times as old as Zeph
= 8 - 6
= 2 years
Answer(s): (a) (5
i - 8) years; (b) 2 years
