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