Will is
v years old. Luke is four times as old as Will and Harry is 5 years younger than Luke.
- Express Harry's age in terms of v.
- Will is 9 years old as of now. ln how many years' time will Harry be 3 times as old as Will?
(a)
Will's age =
v years
Luke's age = 4
v years
Harry's age = (4
v - 5) years
(b)
v = 9
Difference in age remains unchanged.
Difference in age between Harry and Will
= (4
v - 5) -
v = 4
v -
v - 5
= 3
v - 5
= 3 x 9 - 5
= 22 years
Difference in the age when Harry will be 3 times as old as Will
= 3 u - 1 u
= 2 u
2 u = 22
1 u = 22 ÷ 2 = 11
Number of years' time so Harry will be 3 times as old as Will
= 11 - 9
= 2 years
Answer(s): (a) (4
v - 5) years; (b) 2 years
