Wesley is
b years old. Japheth is six times as old as Wesley and Oscar is 4 years younger than Japheth.
- Express Oscar's age in terms of b.
- Wesley is 10 years old as of now. ln how many years' time will Oscar be 3 times as old as Wesley?
(a)
Wesley's age =
b years
Japheth's age = 6
b years
Oscar's age = (6
b - 4) years
(b)
b = 10
Difference in age remains unchanged.
Difference in age between Oscar and Wesley
= (6
b - 4) -
b = 6
b -
b - 4
= 5
b - 4
= 5 x 10 - 4
= 46 years
Difference in the age when Oscar will be 3 times as old as Wesley
= 3 u - 1 u
= 2 u
2 u = 46
1 u = 46 ÷ 2 = 23
Number of years' time so Oscar will be 3 times as old as Wesley
= 23 - 10
= 13 years
Answer(s): (a) (6
b - 4) years; (b) 13 years
