Bryan is
a years old. Japheth is six times as old as Bryan and Jeremy is 8 years younger than Japheth.
- Express Jeremy's age in terms of a.
- Bryan is 4 years old as of now. ln how many years' time will Jeremy be 3 times as old as Bryan?
(a)
Bryan's age =
a years
Japheth's age = 6
a years
Jeremy's age = (6
a - 8) years
(b)
a = 4
Difference in age remains unchanged.
Difference in age between Jeremy and Bryan
= (6
a - 8) -
a = 6
a -
a - 8
= 5
a - 8
= 5 x 4 - 8
= 12 years
Difference in the age when Jeremy will be 3 times as old as Bryan
= 3 u - 1 u
= 2 u
2 u = 12
1 u = 12 ÷ 2 = 6
Number of years' time so Jeremy will be 3 times as old as Bryan
= 6 - 4
= 2 years
Answer(s): (a) (6
a - 8) years; (b) 2 years
