Brandon is
s years old. Ivan is six times as old as Brandon and Neave is 9 years younger than Ivan.
- Express Neave's age in terms of s.
- Brandon is 7 years old as of now. ln how many years' time will Neave be 3 times as old as Brandon?
(a)
Brandon's age =
s years
Ivan's age = 6
s years
Neave's age = (6
s - 9) years
(b)
s = 7
Difference in age remains unchanged.
Difference in age between Neave and Brandon
= (6
s - 9) -
s = 6
s -
s - 9
= 5
s - 9
= 5 x 7 - 9
= 26 years
Difference in the age when Neave will be 3 times as old as Brandon
= 3 u - 1 u
= 2 u
2 u = 26
1 u = 26 ÷ 2 = 13
Number of years' time so Neave will be 3 times as old as Brandon
= 13 - 7
= 6 years
Answer(s): (a) (6
s - 9) years; (b) 6 years
