Adam is 44 years old.
Bryan is 4 years old.
In a few years' time, Adam will be 5 times as old as Bryan.
- In how many years' time will Adam be 5 times as old as Bryan?
- How old will Adam be by that time?
|
Adam |
Bryan |
Difference |
Before |
44 |
4 |
40 |
Change |
+ ? |
+ ? |
|
After |
5 u |
1 u |
4 u |
(a)
For Adam to be 5 times as old as Bryan,
Bryan's age = 1 u
Adam's age = 5 u
Difference in their age
= 5 u - 1 u
= 4 u
Age difference between Adam and Bryan
= 44 - 4
= 40
4 u = 40
1 u = 40 ÷ 4 = 10
Number of years' time when Adam will be 5 times as old as Bryan
= 10 - 4
= 6
(b)
Adam's age in 6 years' time
= 5 u
= 5 x 10
= 50
Answer(s): (a) 6; (b) 50