Pierre is
s years old. Justin is six times as old as Pierre and Flynn is 4 years younger than Justin.
- Express Flynn's age in terms of s.
- Pierre is 8 years old as of now. ln how many years' time will Flynn be 3 times as old as Pierre?
(a)
Pierre's age =
s years
Justin's age = 6
s years
Flynn's age = (6
s - 4) years
(b)
s = 8
Difference in age remains unchanged.
Difference in age between Flynn and Pierre
= (6
s - 4) -
s = 6
s -
s - 4
= 5
s - 4
= 5 x 8 - 4
= 36 years
Difference in the age when Flynn will be 3 times as old as Pierre
= 3 u - 1 u
= 2 u
2 u = 36
1 u = 36 ÷ 2 = 18
Number of years' time so Flynn will be 3 times as old as Pierre
= 18 - 8
= 10 years
Answer(s): (a) (6
s - 4) years; (b) 10 years
