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