Ken is
c years old. Tim is six times as old as Ken and Will is 10 years younger than Tim.
- Express Will's age in terms of c.
- Ken is 10 years old as of now. ln how many years' time will Will be 3 times as old as Ken?
(a)
Ken's age =
c years
Tim's age = 6
c years
Will's age = (6
c - 10) years
(b)
c = 10
Difference in age remains unchanged.
Difference in age between Will and Ken
= (6
c - 10) -
c = 6
c -
c - 10
= 5
c - 10
= 5 x 10 - 10
= 40 years
Difference in the age when Will will be 3 times as old as Ken
= 3 u - 1 u
= 2 u
2 u = 40
1 u = 40 ÷ 2 = 20
Number of years' time so Will will be 3 times as old as Ken
= 20 - 10
= 10 years
Answer(s): (a) (6
c - 10) years; (b) 10 years
