Vaidev is
f years old. Luke is five times as old as Vaidev and Neave is 4 years younger than Luke.
- Express Neave's age in terms of f.
- Vaidev is 6 years old as of now. ln how many years' time will Neave be 3 times as old as Vaidev?
(a)
Vaidev's age =
f years
Luke's age = 5
f years
Neave's age = (5
f - 4) years
(b)
f = 6
Difference in age remains unchanged.
Difference in age between Neave and Vaidev
= (5
f - 4) -
f = 5
f -
f - 4
= 4
f - 4
= 4 x 6 - 4
= 20 years
Difference in the age when Neave will be 3 times as old as Vaidev
= 3 u - 1 u
= 2 u
2 u = 20
1 u = 20 ÷ 2 = 10
Number of years' time so Neave will be 3 times as old as Vaidev
= 10 - 6
= 4 years
Answer(s): (a) (5
f - 4) years; (b) 4 years
