Harry is
b years old. Fabian is six times as old as Harry and Japheth is 7 years younger than Fabian.
- Express Japheth's age in terms of b.
- Harry is 5 years old as of now. ln how many years' time will Japheth be 3 times as old as Harry?
(a)
Harry's age =
b years
Fabian's age = 6
b years
Japheth's age = (6
b - 7) years
(b)
b = 5
Difference in age remains unchanged.
Difference in age between Japheth and Harry
= (6
b - 7) -
b = 6
b -
b - 7
= 5
b - 7
= 5 x 5 - 7
= 18 years
Difference in the age when Japheth will be 3 times as old as Harry
= 3 u - 1 u
= 2 u
2 u = 18
1 u = 18 ÷ 2 = 9
Number of years' time so Japheth will be 3 times as old as Harry
= 9 - 5
= 4 years
Answer(s): (a) (6
b - 7) years; (b) 4 years
